Home / 167,502.90-231,154.92-91,022.58

Finding the Fourth Proportional to 167,502.90, 231,154.92 and 91,022.58

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Solution

The fourth proportional to 167,502.90, 231,154.92 and 91,022.58 is: 125,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,502.90 : 231,154.92 = 91,022.58 : x
  2. Step 2: Convert to fraction form
    167,502.90/231,154.92 = 91,022.58/x
  3. Step 3: Cross multiply
    167,502.90x = 231,154.92 × 91,022.58
  4. Step 4: Simplify right side
    167,502.90x = 21,040,317,198.09
  5. Step 5: Solve for x
    x = 21,040,317,198.09/167,502.90
  6. Step 6: Final answer
    x = 125,611.66

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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.