Home / 150,251.32-207,332.46-89,809.96

Finding the Fourth Proportional to 150,251.32, 207,332.46 and 89,809.96

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Solution

The fourth proportional to 150,251.32, 207,332.46 and 89,809.96 is: 123,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,251.32 : 207,332.46 = 89,809.96 : x
  2. Step 2: Convert to fraction form
    150,251.32/207,332.46 = 89,809.96/x
  3. Step 3: Cross multiply
    150,251.32x = 207,332.46 × 89,809.96
  4. Step 4: Simplify right side
    150,251.32x = 18,620,519,939.30
  5. Step 5: Solve for x
    x = 18,620,519,939.30/150,251.32
  6. Step 6: Final answer
    x = 123,929.16

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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.