Home / 167,731.68-231,474.12-91,255.56

Finding the Fourth Proportional to 167,731.68, 231,474.12 and 91,255.56

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Solution

The fourth proportional to 167,731.68, 231,474.12 and 91,255.56 is: 125,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,731.68 : 231,474.12 = 91,255.56 : x
  2. Step 2: Convert to fraction form
    167,731.68/231,474.12 = 91,255.56/x
  3. Step 3: Cross multiply
    167,731.68x = 231,474.12 × 91,255.56
  4. Step 4: Simplify right side
    167,731.68x = 21,123,300,446.11
  5. Step 5: Solve for x
    x = 21,123,300,446.11/167,731.68
  6. Step 6: Final answer
    x = 125,935.07

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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.