Home / 132,251.33-199,091.99-120,480.75

Finding the Fourth Proportional to 132,251.33, 199,091.99 and 120,480.75

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Solution

The fourth proportional to 132,251.33, 199,091.99 and 120,480.75 is: 181,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,251.33 : 199,091.99 = 120,480.75 : x
  2. Step 2: Convert to fraction form
    132,251.33/199,091.99 = 120,480.75/x
  3. Step 3: Cross multiply
    132,251.33x = 199,091.99 × 120,480.75
  4. Step 4: Simplify right side
    132,251.33x = 23,986,752,575.39
  5. Step 5: Solve for x
    x = 23,986,752,575.39/132,251.33
  6. Step 6: Final answer
    x = 181,372.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.