Home / 149,695.39-206,574.46-89,234.88

Finding the Fourth Proportional to 149,695.39, 206,574.46 and 89,234.88

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Solution

The fourth proportional to 149,695.39, 206,574.46 and 89,234.88 is: 123,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,695.39 : 206,574.46 = 89,234.88 : x
  2. Step 2: Convert to fraction form
    149,695.39/206,574.46 = 89,234.88/x
  3. Step 3: Cross multiply
    149,695.39x = 206,574.46 × 89,234.88
  4. Step 4: Simplify right side
    149,695.39x = 18,433,647,149.16
  5. Step 5: Solve for x
    x = 18,433,647,149.16/149,695.39
  6. Step 6: Final answer
    x = 123,141.05

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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.