Home / 167,916.15-231,723.92-91,434.06

Finding the Fourth Proportional to 167,916.15, 231,723.92 and 91,434.06

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Solution

The fourth proportional to 167,916.15, 231,723.92 and 91,434.06 is: 126,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,916.15 : 231,723.92 = 91,434.06 : x
  2. Step 2: Convert to fraction form
    167,916.15/231,723.92 = 91,434.06/x
  3. Step 3: Cross multiply
    167,916.15x = 231,723.92 × 91,434.06
  4. Step 4: Simplify right side
    167,916.15x = 21,187,459,033.30
  5. Step 5: Solve for x
    x = 21,187,459,033.30/167,916.15
  6. Step 6: Final answer
    x = 126,178.80

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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.