Home / 167,493.90-231,138.99-92,040.78

Finding the Fourth Proportional to 167,493.90, 231,138.99 and 92,040.78

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Solution

The fourth proportional to 167,493.90, 231,138.99 and 92,040.78 is: 127,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.90 : 231,138.99 = 92,040.78 : x
  2. Step 2: Convert to fraction form
    167,493.90/231,138.99 = 92,040.78/x
  3. Step 3: Cross multiply
    167,493.90x = 231,138.99 × 92,040.78
  4. Step 4: Simplify right side
    167,493.90x = 21,274,212,928.01
  5. Step 5: Solve for x
    x = 21,274,212,928.01/167,493.90
  6. Step 6: Final answer
    x = 127,014.85

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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.