Home / 149,618.97-206,287.43-95,815.53

Finding the Fourth Proportional to 149,618.97, 206,287.43 and 95,815.53

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Solution

The fourth proportional to 149,618.97, 206,287.43 and 95,815.53 is: 132,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,618.97 : 206,287.43 = 95,815.53 : x
  2. Step 2: Convert to fraction form
    149,618.97/206,287.43 = 95,815.53/x
  3. Step 3: Cross multiply
    149,618.97x = 206,287.43 × 95,815.53
  4. Step 4: Simplify right side
    149,618.97x = 19,765,538,958.71
  5. Step 5: Solve for x
    x = 19,765,538,958.71/149,618.97
  6. Step 6: Final answer
    x = 132,105.83

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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.