Home / 167,781.20-231,537.90-92,329.72

Finding the Fourth Proportional to 167,781.20, 231,537.90 and 92,329.72

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Solution

The fourth proportional to 167,781.20, 231,537.90 and 92,329.72 is: 127,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,781.20 : 231,537.90 = 92,329.72 : x
  2. Step 2: Convert to fraction form
    167,781.20/231,537.90 = 92,329.72/x
  3. Step 3: Cross multiply
    167,781.20x = 231,537.90 × 92,329.72
  4. Step 4: Simplify right side
    167,781.20x = 21,377,829,476.39
  5. Step 5: Solve for x
    x = 21,377,829,476.39/167,781.20
  6. Step 6: Final answer
    x = 127,414.93

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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.