Home / 187,609.23-258,898.17-102,726.30

Finding the Fourth Proportional to 187,609.23, 258,898.17 and 102,726.30

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Solution

The fourth proportional to 187,609.23, 258,898.17 and 102,726.30 is: 141,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,609.23 : 258,898.17 = 102,726.30 : x
  2. Step 2: Convert to fraction form
    187,609.23/258,898.17 = 102,726.30/x
  3. Step 3: Cross multiply
    187,609.23x = 258,898.17 × 102,726.30
  4. Step 4: Simplify right side
    187,609.23x = 26,595,651,080.87
  5. Step 5: Solve for x
    x = 26,595,651,080.87/187,609.23
  6. Step 6: Final answer
    x = 141,760.89

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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.