Home / 111,854.43-167,781.68-92,091.48

Finding the Fourth Proportional to 111,854.43, 167,781.68 and 92,091.48

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Solution

The fourth proportional to 111,854.43, 167,781.68 and 92,091.48 is: 138,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,854.43 : 167,781.68 = 92,091.48 : x
  2. Step 2: Convert to fraction form
    111,854.43/167,781.68 = 92,091.48/x
  3. Step 3: Cross multiply
    111,854.43x = 167,781.68 × 92,091.48
  4. Step 4: Simplify right side
    111,854.43x = 15,451,263,458.32
  5. Step 5: Solve for x
    x = 15,451,263,458.32/111,854.43
  6. Step 6: Final answer
    x = 138,137.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.