Home / 167,915.46-231,722.97-91,433.37

Finding the Fourth Proportional to 167,915.46, 231,722.97 and 91,433.37

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Solution

The fourth proportional to 167,915.46, 231,722.97 and 91,433.37 is: 126,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,915.46 : 231,722.97 = 91,433.37 : x
  2. Step 2: Convert to fraction form
    167,915.46/231,722.97 = 91,433.37/x
  3. Step 3: Cross multiply
    167,915.46x = 231,722.97 × 91,433.37
  4. Step 4: Simplify right side
    167,915.46x = 21,187,212,053.51
  5. Step 5: Solve for x
    x = 21,187,212,053.51/167,915.46
  6. Step 6: Final answer
    x = 126,177.85

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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.