Home / 167,622.28-231,318.75-92,170.78

Finding the Fourth Proportional to 167,622.28, 231,318.75 and 92,170.78

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Solution

The fourth proportional to 167,622.28, 231,318.75 and 92,170.78 is: 127,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,622.28 : 231,318.75 = 92,170.78 : x
  2. Step 2: Convert to fraction form
    167,622.28/231,318.75 = 92,170.78/x
  3. Step 3: Cross multiply
    167,622.28x = 231,318.75 × 92,170.78
  4. Step 4: Simplify right side
    167,622.28x = 21,320,829,905.27
  5. Step 5: Solve for x
    x = 21,320,829,905.27/167,622.28
  6. Step 6: Final answer
    x = 127,195.68

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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.