Home / 231,555.30-319,609.17-136,092.66

Finding the Fourth Proportional to 231,555.30, 319,609.17 and 136,092.66

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Solution

The fourth proportional to 231,555.30, 319,609.17 and 136,092.66 is: 187,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,555.30 : 319,609.17 = 136,092.66 : x
  2. Step 2: Convert to fraction form
    231,555.30/319,609.17 = 136,092.66/x
  3. Step 3: Cross multiply
    231,555.30x = 319,609.17 × 136,092.66
  4. Step 4: Simplify right side
    231,555.30x = 43,496,462,105.69
  5. Step 5: Solve for x
    x = 43,496,462,105.69/231,555.30
  6. Step 6: Final answer
    x = 187,844.81

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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.