Home / 136,932.53-205,406.21-42,227.92

Finding the Fourth Proportional to 136,932.53, 205,406.21 and 42,227.92

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Solution

The fourth proportional to 136,932.53, 205,406.21 and 42,227.92 is: 63,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932.53 : 205,406.21 = 42,227.92 : x
  2. Step 2: Convert to fraction form
    136,932.53/205,406.21 = 42,227.92/x
  3. Step 3: Cross multiply
    136,932.53x = 205,406.21 × 42,227.92
  4. Step 4: Simplify right side
    136,932.53x = 8,673,876,278.73
  5. Step 5: Solve for x
    x = 8,673,876,278.73/136,932.53
  6. Step 6: Final answer
    x = 63,344.16

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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.