Home / 150,167.20-207,230.76-93,578.80

Finding the Fourth Proportional to 150,167.20, 207,230.76 and 93,578.80

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Solution

The fourth proportional to 150,167.20, 207,230.76 and 93,578.80 is: 129,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.20 : 207,230.76 = 93,578.80 : x
  2. Step 2: Convert to fraction form
    150,167.20/207,230.76 = 93,578.80/x
  3. Step 3: Cross multiply
    150,167.20x = 207,230.76 × 93,578.80
  4. Step 4: Simplify right side
    150,167.20x = 19,392,405,843.89
  5. Step 5: Solve for x
    x = 19,392,405,843.89/150,167.20
  6. Step 6: Final answer
    x = 129,138.76

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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.