Home / 167,787.90-231,550.38-92,334.78

Finding the Fourth Proportional to 167,787.90, 231,550.38 and 92,334.78

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Solution

The fourth proportional to 167,787.90, 231,550.38 and 92,334.78 is: 127,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,787.90 : 231,550.38 = 92,334.78 : x
  2. Step 2: Convert to fraction form
    167,787.90/231,550.38 = 92,334.78/x
  3. Step 3: Cross multiply
    167,787.90x = 231,550.38 × 92,334.78
  4. Step 4: Simplify right side
    167,787.90x = 21,380,153,396.22
  5. Step 5: Solve for x
    x = 21,380,153,396.22/167,787.90
  6. Step 6: Final answer
    x = 127,423.69

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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.