Home / 149,983.92-206,843.58-124,449.66

Finding the Fourth Proportional to 149,983.92, 206,843.58 and 124,449.66

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Solution

The fourth proportional to 149,983.92, 206,843.58 and 124,449.66 is: 171,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,983.92 : 206,843.58 = 124,449.66 : x
  2. Step 2: Convert to fraction form
    149,983.92/206,843.58 = 124,449.66/x
  3. Step 3: Cross multiply
    149,983.92x = 206,843.58 × 124,449.66
  4. Step 4: Simplify right side
    149,983.92x = 25,741,613,204.18
  5. Step 5: Solve for x
    x = 25,741,613,204.18/149,983.92
  6. Step 6: Final answer
    x = 171,629.15

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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.