Home / 181,294.20-250,197.12-100,722.24

Finding the Fourth Proportional to 181,294.20, 250,197.12 and 100,722.24

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Solution

The fourth proportional to 181,294.20, 250,197.12 and 100,722.24 is: 139,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,294.20 : 250,197.12 = 100,722.24 : x
  2. Step 2: Convert to fraction form
    181,294.20/250,197.12 = 100,722.24/x
  3. Step 3: Cross multiply
    181,294.20x = 250,197.12 × 100,722.24
  4. Step 4: Simplify right side
    181,294.20x = 25,200,414,367.95
  5. Step 5: Solve for x
    x = 25,200,414,367.95/181,294.20
  6. Step 6: Final answer
    x = 139,002.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.