Home / 187,489.52-258,736.38-102,606.38

Finding the Fourth Proportional to 187,489.52, 258,736.38 and 102,606.38

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Solution

The fourth proportional to 187,489.52, 258,736.38 and 102,606.38 is: 141,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,489.52 : 258,736.38 = 102,606.38 : x
  2. Step 2: Convert to fraction form
    187,489.52/258,736.38 = 102,606.38/x
  3. Step 3: Cross multiply
    187,489.52x = 258,736.38 × 102,606.38
  4. Step 4: Simplify right side
    187,489.52x = 26,548,003,326.10
  5. Step 5: Solve for x
    x = 26,548,003,326.10/187,489.52
  6. Step 6: Final answer
    x = 141,597.27

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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.