Home / 167,829.18-231,609.94-91,351.06

Finding the Fourth Proportional to 167,829.18, 231,609.94 and 91,351.06

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Solution

The fourth proportional to 167,829.18, 231,609.94 and 91,351.06 is: 126,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,829.18 : 231,609.94 = 91,351.06 : x
  2. Step 2: Convert to fraction form
    167,829.18/231,609.94 = 91,351.06/x
  3. Step 3: Cross multiply
    167,829.18x = 231,609.94 × 91,351.06
  4. Step 4: Simplify right side
    167,829.18x = 21,157,813,525.54
  5. Step 5: Solve for x
    x = 21,157,813,525.54/167,829.18
  6. Step 6: Final answer
    x = 126,067.55

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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.