Home / 135,708.29-187,105.23-96,992.31

Finding the Fourth Proportional to 135,708.29, 187,105.23 and 96,992.31

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Solution

The fourth proportional to 135,708.29, 187,105.23 and 96,992.31 is: 133,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,708.29 : 187,105.23 = 96,992.31 : x
  2. Step 2: Convert to fraction form
    135,708.29/187,105.23 = 96,992.31/x
  3. Step 3: Cross multiply
    135,708.29x = 187,105.23 × 96,992.31
  4. Step 4: Simplify right side
    135,708.29x = 18,147,768,470.78
  5. Step 5: Solve for x
    x = 18,147,768,470.78/135,708.29
  6. Step 6: Final answer
    x = 133,726.31

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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.