Home / 394,086.10-591,129.15-236,233.30

Finding the Fourth Proportional to 394,086.10, 591,129.15 and 236,233.30

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Solution

The fourth proportional to 394,086.10, 591,129.15 and 236,233.30 is: 354,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,086.10 : 591,129.15 = 236,233.30 : x
  2. Step 2: Convert to fraction form
    394,086.10/591,129.15 = 236,233.30/x
  3. Step 3: Cross multiply
    394,086.10x = 591,129.15 × 236,233.30
  4. Step 4: Simplify right side
    394,086.10x = 139,644,389,830.70
  5. Step 5: Solve for x
    x = 139,644,389,830.70/394,086.10
  6. Step 6: Final answer
    x = 354,349.95

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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.