Home / 136,126.71-204,248.52-47,331.81

Finding the Fourth Proportional to 136,126.71, 204,248.52 and 47,331.81

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Solution

The fourth proportional to 136,126.71, 204,248.52 and 47,331.81 is: 71,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126.71 : 204,248.52 = 47,331.81 : x
  2. Step 2: Convert to fraction form
    136,126.71/204,248.52 = 47,331.81/x
  3. Step 3: Cross multiply
    136,126.71x = 204,248.52 × 47,331.81
  4. Step 4: Simplify right side
    136,126.71x = 9,667,452,141.42
  5. Step 5: Solve for x
    x = 9,667,452,141.42/136,126.71
  6. Step 6: Final answer
    x = 71,018.04

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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.