Home / 458,785.44-688,144.14-192,535.20

Finding the Fourth Proportional to 458,785.44, 688,144.14 and 192,535.20

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Solution

The fourth proportional to 458,785.44, 688,144.14 and 192,535.20 is: 288,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,785.44 : 688,144.14 = 192,535.20 : x
  2. Step 2: Convert to fraction form
    458,785.44/688,144.14 = 192,535.20/x
  3. Step 3: Cross multiply
    458,785.44x = 688,144.14 × 192,535.20
  4. Step 4: Simplify right side
    458,785.44x = 132,491,969,623.73
  5. Step 5: Solve for x
    x = 132,491,969,623.73/458,785.44
  6. Step 6: Final answer
    x = 288,788.52

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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.