Home / 394,500.20-592,139.10-195,045.80

Finding the Fourth Proportional to 394,500.20, 592,139.10 and 195,045.80

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Solution

The fourth proportional to 394,500.20, 592,139.10 and 195,045.80 is: 292,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,500.20 : 592,139.10 = 195,045.80 : x
  2. Step 2: Convert to fraction form
    394,500.20/592,139.10 = 195,045.80/x
  3. Step 3: Cross multiply
    394,500.20x = 592,139.10 × 195,045.80
  4. Step 4: Simplify right side
    394,500.20x = 115,494,244,470.78
  5. Step 5: Solve for x
    x = 115,494,244,470.78/394,500.20
  6. Step 6: Final answer
    x = 292,760.93

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1.5x scale

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.