Home / 124,857.30-187,691.94-100,167.42

Finding the Fourth Proportional to 124,857.30, 187,691.94 and 100,167.42

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Solution

The fourth proportional to 124,857.30, 187,691.94 and 100,167.42 is: 150,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.30 : 187,691.94 = 100,167.42 : x
  2. Step 2: Convert to fraction form
    124,857.30/187,691.94 = 100,167.42/x
  3. Step 3: Cross multiply
    124,857.30x = 187,691.94 × 100,167.42
  4. Step 4: Simplify right side
    124,857.30x = 18,800,617,384.59
  5. Step 5: Solve for x
    x = 18,800,617,384.59/124,857.30
  6. Step 6: Final answer
    x = 150,576.84

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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.