Home / 167,986.78-231,821.75-92,535.28

Finding the Fourth Proportional to 167,986.78, 231,821.75 and 92,535.28

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Solution

The fourth proportional to 167,986.78, 231,821.75 and 92,535.28 is: 127,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,986.78 : 231,821.75 = 92,535.28 : x
  2. Step 2: Convert to fraction form
    167,986.78/231,821.75 = 92,535.28/x
  3. Step 3: Cross multiply
    167,986.78x = 231,821.75 × 92,535.28
  4. Step 4: Simplify right side
    167,986.78x = 21,451,690,198.12
  5. Step 5: Solve for x
    x = 21,451,690,198.12/167,986.78
  6. Step 6: Final answer
    x = 127,698.68

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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.