Home / 394,082.10-591,209.55-127,797.30

Finding the Fourth Proportional to 394,082.10, 591,209.55 and 127,797.30

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Solution

The fourth proportional to 394,082.10, 591,209.55 and 127,797.30 is: 191,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,082.10 : 591,209.55 = 127,797.30 : x
  2. Step 2: Convert to fraction form
    394,082.10/591,209.55 = 127,797.30/x
  3. Step 3: Cross multiply
    394,082.10x = 591,209.55 × 127,797.30
  4. Step 4: Simplify right side
    394,082.10x = 75,554,984,224.22
  5. Step 5: Solve for x
    x = 75,554,984,224.22/394,082.10
  6. Step 6: Final answer
    x = 191,723.97

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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.