Finding the Fourth Proportional to 176,763.07, 243,938.21 and 96,195.81
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Solution
The fourth proportional to 176,763.07, 243,938.21 and 96,195.81 is: 132,753.03
Step by Step Solution
- Step 1: Write the proportion equation
176,763.07 : 243,938.21 = 96,195.81 : x - Step 2: Convert to fraction form
176,763.07/243,938.21 = 96,195.81/x - Step 3: Cross multiply
176,763.07x = 243,938.21 × 96,195.81 - Step 4: Simplify right side
176,763.07x = 23,465,833,700.90 - Step 5: Solve for x
x = 23,465,833,700.90/176,763.07 - Step 6: Final answer
x = 132,753.03
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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.