Home / 394,016.00-591,107.03-127,755.75

Finding the Fourth Proportional to 394,016.00, 591,107.03 and 127,755.75

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Solution

The fourth proportional to 394,016.00, 591,107.03 and 127,755.75 is: 191,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,016.00 : 591,107.03 = 127,755.75 : x
  2. Step 2: Convert to fraction form
    394,016.00/591,107.03 = 127,755.75/x
  3. Step 3: Cross multiply
    394,016.00x = 591,107.03 × 127,755.75
  4. Step 4: Simplify right side
    394,016.00x = 75,517,321,309.14
  5. Step 5: Solve for x
    x = 75,517,321,309.14/394,016.00
  6. Step 6: Final answer
    x = 191,660.55

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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.