Home / 149,618.22-206,286.39-95,814.78

Finding the Fourth Proportional to 149,618.22, 206,286.39 and 95,814.78

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Solution

The fourth proportional to 149,618.22, 206,286.39 and 95,814.78 is: 132,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,618.22 : 206,286.39 = 95,814.78 : x
  2. Step 2: Convert to fraction form
    149,618.22/206,286.39 = 95,814.78/x
  3. Step 3: Cross multiply
    149,618.22x = 206,286.39 × 95,814.78
  4. Step 4: Simplify right side
    149,618.22x = 19,765,285,074.84
  5. Step 5: Solve for x
    x = 19,765,285,074.84/149,618.22
  6. Step 6: Final answer
    x = 132,104.80

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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.