Home / 167,738.18-231,480.52-91,257.71

Finding the Fourth Proportional to 167,738.18, 231,480.52 and 91,257.71

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Solution

The fourth proportional to 167,738.18, 231,480.52 and 91,257.71 is: 125,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,738.18 : 231,480.52 = 91,257.71 : x
  2. Step 2: Convert to fraction form
    167,738.18/231,480.52 = 91,257.71/x
  3. Step 3: Cross multiply
    167,738.18x = 231,480.52 × 91,257.71
  4. Step 4: Simplify right side
    167,738.18x = 21,124,380,779.26
  5. Step 5: Solve for x
    x = 21,124,380,779.26/167,738.18
  6. Step 6: Final answer
    x = 125,936.63

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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.