Home / 107,540.39-148,442.64-65,098.92

Finding the Fourth Proportional to 107,540.39, 148,442.64 and 65,098.92

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Solution

The fourth proportional to 107,540.39, 148,442.64 and 65,098.92 is: 89,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,540.39 : 148,442.64 = 65,098.92 : x
  2. Step 2: Convert to fraction form
    107,540.39/148,442.64 = 65,098.92/x
  3. Step 3: Cross multiply
    107,540.39x = 148,442.64 × 65,098.92
  4. Step 4: Simplify right side
    107,540.39x = 9,663,455,545.95
  5. Step 5: Solve for x
    x = 9,663,455,545.95/107,540.39
  6. Step 6: Final answer
    x = 89,858.85

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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.