Finding the Fourth Proportional to 174,201.04, 261,301.68 and 115,022.80
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Solution
The fourth proportional to 174,201.04, 261,301.68 and 115,022.80 is: 172,534.28
Step by Step Solution
- Step 1: Write the proportion equation
174,201.04 : 261,301.68 = 115,022.80 : x - Step 2: Convert to fraction form
174,201.04/261,301.68 = 115,022.80/x - Step 3: Cross multiply
174,201.04x = 261,301.68 × 115,022.80 - Step 4: Simplify right side
174,201.04x = 30,055,650,878.30 - Step 5: Solve for x
x = 30,055,650,878.30/174,201.04 - Step 6: Final answer
x = 172,534.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.