Home / 394,103.10-591,237.67-127,842.82

Finding the Fourth Proportional to 394,103.10, 591,237.67 and 127,842.82

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Solution

The fourth proportional to 394,103.10, 591,237.67 and 127,842.82 is: 191,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,103.10 : 591,237.67 = 127,842.82 : x
  2. Step 2: Convert to fraction form
    394,103.10/591,237.67 = 127,842.82/x
  3. Step 3: Cross multiply
    394,103.10x = 591,237.67 × 127,842.82
  4. Step 4: Simplify right side
    394,103.10x = 75,585,491,023.03
  5. Step 5: Solve for x
    x = 75,585,491,023.03/394,103.10
  6. Step 6: Final answer
    x = 191,791.16

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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.