Home / 167,781.14-231,542.24-91,304.39

Finding the Fourth Proportional to 167,781.14, 231,542.24 and 91,304.39

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Solution

The fourth proportional to 167,781.14, 231,542.24 and 91,304.39 is: 126,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,781.14 : 231,542.24 = 91,304.39 : x
  2. Step 2: Convert to fraction form
    167,781.14/231,542.24 = 91,304.39/x
  3. Step 3: Cross multiply
    167,781.14x = 231,542.24 × 91,304.39
  4. Step 4: Simplify right side
    167,781.14x = 21,140,821,368.20
  5. Step 5: Solve for x
    x = 21,140,821,368.20/167,781.14
  6. Step 6: Final answer
    x = 126,002.37

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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.