Home / 344,715.92-516,932.36-131,561.46

Finding the Fourth Proportional to 344,715.92, 516,932.36 and 131,561.46

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Solution

The fourth proportional to 344,715.92, 516,932.36 and 131,561.46 is: 197,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,715.92 : 516,932.36 = 131,561.46 : x
  2. Step 2: Convert to fraction form
    344,715.92/516,932.36 = 131,561.46/x
  3. Step 3: Cross multiply
    344,715.92x = 516,932.36 × 131,561.46
  4. Step 4: Simplify right side
    344,715.92x = 68,008,376,002.85
  5. Step 5: Solve for x
    x = 68,008,376,002.85/344,715.92
  6. Step 6: Final answer
    x = 197,288.18

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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.