Finding the Fourth Proportional to 132,178.24, 198,298.56 and 43,432
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Solution
The fourth proportional to 132,178.24, 198,298.56 and 43,432 is: 65,158.25
Step by Step Solution
- Step 1: Write the proportion equation
132,178.24 : 198,298.56 = 43,432 : x - Step 2: Convert to fraction form
132,178.24/198,298.56 = 43,432/x - Step 3: Cross multiply
132,178.24x = 198,298.56 × 43,432 - Step 4: Simplify right side
132,178.24x = 8,612,503,057.92 - Step 5: Solve for x
x = 8,612,503,057.92/132,178.24 - Step 6: Final answer
x = 65,158.25
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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.