Home / 447,904.20-671,856.30-132,356.55

Finding the Fourth Proportional to 447,904.20, 671,856.30 and 132,356.55

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Solution

The fourth proportional to 447,904.20, 671,856.30 and 132,356.55 is: 198,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,904.20 : 671,856.30 = 132,356.55 : x
  2. Step 2: Convert to fraction form
    447,904.20/671,856.30 = 132,356.55/x
  3. Step 3: Cross multiply
    447,904.20x = 671,856.30 × 132,356.55
  4. Step 4: Simplify right side
    447,904.20x = 88,924,581,963.77
  5. Step 5: Solve for x
    x = 88,924,581,963.77/447,904.20
  6. Step 6: Final answer
    x = 198,534.83

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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.