Finding the Fourth Proportional to 165,199.05, 227,967.33 and 93,577.62
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Solution
The fourth proportional to 165,199.05, 227,967.33 and 93,577.62 is: 129,132.95
Step by Step Solution
- Step 1: Write the proportion equation
165,199.05 : 227,967.33 = 93,577.62 : x - Step 2: Convert to fraction form
165,199.05/227,967.33 = 93,577.62/x - Step 3: Cross multiply
165,199.05x = 227,967.33 × 93,577.62 - Step 4: Simplify right side
165,199.05x = 21,332,640,179.15 - Step 5: Solve for x
x = 21,332,640,179.15/165,199.05 - Step 6: Final answer
x = 129,132.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.