Home / 198,397.11-273,789.99-107,754.85

Finding the Fourth Proportional to 198,397.11, 273,789.99 and 107,754.85

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Solution

The fourth proportional to 198,397.11, 273,789.99 and 107,754.85 is: 148,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397.11 : 273,789.99 = 107,754.85 : x
  2. Step 2: Convert to fraction form
    198,397.11/273,789.99 = 107,754.85/x
  3. Step 3: Cross multiply
    198,397.11x = 273,789.99 × 107,754.85
  4. Step 4: Simplify right side
    198,397.11x = 29,502,197,935.00
  5. Step 5: Solve for x
    x = 29,502,197,935.00/198,397.11
  6. Step 6: Final answer
    x = 148,702.76

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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.