Home / 150,155.08-207,123.97-99,167.92

Finding the Fourth Proportional to 150,155.08, 207,123.97 and 99,167.92

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Solution

The fourth proportional to 150,155.08, 207,123.97 and 99,167.92 is: 136,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,155.08 : 207,123.97 = 99,167.92 : x
  2. Step 2: Convert to fraction form
    150,155.08/207,123.97 = 99,167.92/x
  3. Step 3: Cross multiply
    150,155.08x = 207,123.97 × 99,167.92
  4. Step 4: Simplify right side
    150,155.08x = 20,540,053,287.04
  5. Step 5: Solve for x
    x = 20,540,053,287.04/150,155.08
  6. Step 6: Final answer
    x = 136,792.26

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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.