Home / 167,747.97-231,577.89-129,421.47

Finding the Fourth Proportional to 167,747.97, 231,577.89 and 129,421.47

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Solution

The fourth proportional to 167,747.97, 231,577.89 and 129,421.47 is: 178,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,747.97 : 231,577.89 = 129,421.47 : x
  2. Step 2: Convert to fraction form
    167,747.97/231,577.89 = 129,421.47/x
  3. Step 3: Cross multiply
    167,747.97x = 231,577.89 × 129,421.47
  4. Step 4: Simplify right side
    167,747.97x = 29,971,150,943.30
  5. Step 5: Solve for x
    x = 29,971,150,943.30/167,747.97
  6. Step 6: Final answer
    x = 178,667.74

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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.