Home / 167,915.03-231,722.37-91,432.94

Finding the Fourth Proportional to 167,915.03, 231,722.37 and 91,432.94

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Solution

The fourth proportional to 167,915.03, 231,722.37 and 91,432.94 is: 126,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,915.03 : 231,722.37 = 91,432.94 : x
  2. Step 2: Convert to fraction form
    167,915.03/231,722.37 = 91,432.94/x
  3. Step 3: Cross multiply
    167,915.03x = 231,722.37 × 91,432.94
  4. Step 4: Simplify right side
    167,915.03x = 21,187,056,394.26
  5. Step 5: Solve for x
    x = 21,187,056,394.26/167,915.03
  6. Step 6: Final answer
    x = 126,177.25

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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.