In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [202.021, 170.383, -45.078, -68.818, 193.433]
A: 
[ 0.447  0.377 -0.1   -0.152  0.428]