Home / 240,758.40-361,195.20-100,439.04

Finding the Fourth Proportional to 240,758.40, 361,195.20 and 100,439.04

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Solution

The fourth proportional to 240,758.40, 361,195.20 and 100,439.04 is: 150,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,758.40 : 361,195.20 = 100,439.04 : x
  2. Step 2: Convert to fraction form
    240,758.40/361,195.20 = 100,439.04/x
  3. Step 3: Cross multiply
    240,758.40x = 361,195.20 × 100,439.04
  4. Step 4: Simplify right side
    240,758.40x = 36,278,099,140.61
  5. Step 5: Solve for x
    x = 36,278,099,140.61/240,758.40
  6. Step 6: Final answer
    x = 150,682.59

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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.