Home / 187,584.33-281,174.70-81,018.43

Finding the Fourth Proportional to 187,584.33, 281,174.70 and 81,018.43

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Solution

The fourth proportional to 187,584.33, 281,174.70 and 81,018.43 is: 121,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,584.33 : 281,174.70 = 81,018.43 : x
  2. Step 2: Convert to fraction form
    187,584.33/281,174.70 = 81,018.43/x
  3. Step 3: Cross multiply
    187,584.33x = 281,174.70 × 81,018.43
  4. Step 4: Simplify right side
    187,584.33x = 22,780,332,350.60
  5. Step 5: Solve for x
    x = 22,780,332,350.60/187,584.33
  6. Step 6: Final answer
    x = 121,440.48

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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.