Home / 198,397.04-273,789.87-107,753.85

Finding the Fourth Proportional to 198,397.04, 273,789.87 and 107,753.85

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Solution

The fourth proportional to 198,397.04, 273,789.87 and 107,753.85 is: 148,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397.04 : 273,789.87 = 107,753.85 : x
  2. Step 2: Convert to fraction form
    198,397.04/273,789.87 = 107,753.85/x
  3. Step 3: Cross multiply
    198,397.04x = 273,789.87 × 107,753.85
  4. Step 4: Simplify right side
    198,397.04x = 29,501,912,583.50
  5. Step 5: Solve for x
    x = 29,501,912,583.50/198,397.04
  6. Step 6: Final answer
    x = 148,701.38

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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.