Home / 439,915.24-659,872.60-159,432.04

Finding the Fourth Proportional to 439,915.24, 659,872.60 and 159,432.04

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Solution

The fourth proportional to 439,915.24, 659,872.60 and 159,432.04 is: 239,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,915.24 : 659,872.60 = 159,432.04 : x
  2. Step 2: Convert to fraction form
    439,915.24/659,872.60 = 159,432.04/x
  3. Step 3: Cross multiply
    439,915.24x = 659,872.60 × 159,432.04
  4. Step 4: Simplify right side
    439,915.24x = 105,204,834,758.10
  5. Step 5: Solve for x
    x = 105,204,834,758.10/439,915.24
  6. Step 6: Final answer
    x = 239,147.97

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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.