Answer: The perimeter of the triangle after dilation is 192.0 units.
Step-by-step explanation: The original perimeter of the triangle is 128 units.
The scale factor for dilation is 3/2.
The perimeter of the triangle after dilation can be found by multiplying the original perimeter by the scale factor.
So, the new perimeter is 128×3/2=192.0 units
