Home / 187,788.92-281,867.92-137,726.44

Finding the Fourth Proportional to 187,788.92, 281,867.92 and 137,726.44

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Solution

The fourth proportional to 187,788.92, 281,867.92 and 137,726.44 is: 206,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.92 : 281,867.92 = 137,726.44 : x
  2. Step 2: Convert to fraction form
    187,788.92/281,867.92 = 137,726.44/x
  3. Step 3: Cross multiply
    187,788.92x = 281,867.92 × 137,726.44
  4. Step 4: Simplify right side
    187,788.92x = 38,820,664,122.82
  5. Step 5: Solve for x
    x = 38,820,664,122.82/187,788.92
  6. Step 6: Final answer
    x = 206,725.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.