Home / 187,623.03-281,349.59-80,956.66

Finding the Fourth Proportional to 187,623.03, 281,349.59 and 80,956.66

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Solution

The fourth proportional to 187,623.03, 281,349.59 and 80,956.66 is: 121,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,623.03 : 281,349.59 = 80,956.66 : x
  2. Step 2: Convert to fraction form
    187,623.03/281,349.59 = 80,956.66/x
  3. Step 3: Cross multiply
    187,623.03x = 281,349.59 × 80,956.66
  4. Step 4: Simplify right side
    187,623.03x = 22,777,123,098.77
  5. Step 5: Solve for x
    x = 22,777,123,098.77/187,623.03
  6. Step 6: Final answer
    x = 121,398.33

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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.