Home / 136,385.28-204,665.88-57,499.92

Finding the Fourth Proportional to 136,385.28, 204,665.88 and 57,499.92

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Solution

The fourth proportional to 136,385.28, 204,665.88 and 57,499.92 is: 86,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,385.28 : 204,665.88 = 57,499.92 : x
  2. Step 2: Convert to fraction form
    136,385.28/204,665.88 = 57,499.92/x
  3. Step 3: Cross multiply
    136,385.28x = 204,665.88 × 57,499.92
  4. Step 4: Simplify right side
    136,385.28x = 11,768,271,726.73
  5. Step 5: Solve for x
    x = 11,768,271,726.73/136,385.28
  6. Step 6: Final answer
    x = 86,286.96

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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.