Home / 187,513.61-258,769.46-101,472.58

Finding the Fourth Proportional to 187,513.61, 258,769.46 and 101,472.58

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Solution

The fourth proportional to 187,513.61, 258,769.46 and 101,472.58 is: 140,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.61 : 258,769.46 = 101,472.58 : x
  2. Step 2: Convert to fraction form
    187,513.61/258,769.46 = 101,472.58/x
  3. Step 3: Cross multiply
    187,513.61x = 258,769.46 × 101,472.58
  4. Step 4: Simplify right side
    187,513.61x = 26,258,002,930.20
  5. Step 5: Solve for x
    x = 26,258,002,930.20/187,513.61
  6. Step 6: Final answer
    x = 140,032.52

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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.