Home / 361,115.20-498,332.82-199,966.78

Finding the Fourth Proportional to 361,115.20, 498,332.82 and 199,966.78

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Solution

The fourth proportional to 361,115.20, 498,332.82 and 199,966.78 is: 275,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,115.20 : 498,332.82 = 199,966.78 : x
  2. Step 2: Convert to fraction form
    361,115.20/498,332.82 = 199,966.78/x
  3. Step 3: Cross multiply
    361,115.20x = 498,332.82 × 199,966.78
  4. Step 4: Simplify right side
    361,115.20x = 99,650,006,892.06
  5. Step 5: Solve for x
    x = 99,650,006,892.06/361,115.20
  6. Step 6: Final answer
    x = 275,950.74

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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.