Home / 167,711.58-231,439.50-91,228.86

Finding the Fourth Proportional to 167,711.58, 231,439.50 and 91,228.86

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Solution

The fourth proportional to 167,711.58, 231,439.50 and 91,228.86 is: 125,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,711.58 : 231,439.50 = 91,228.86 : x
  2. Step 2: Convert to fraction form
    167,711.58/231,439.50 = 91,228.86/x
  3. Step 3: Cross multiply
    167,711.58x = 231,439.50 × 91,228.86
  4. Step 4: Simplify right side
    167,711.58x = 21,113,961,743.97
  5. Step 5: Solve for x
    x = 21,113,961,743.97/167,711.58
  6. Step 6: Final answer
    x = 125,894.48

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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.