Home / 168,073.28-231,940.02-92,621.84

Finding the Fourth Proportional to 168,073.28, 231,940.02 and 92,621.84

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Solution

The fourth proportional to 168,073.28, 231,940.02 and 92,621.84 is: 127,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,073.28 : 231,940.02 = 92,621.84 : x
  2. Step 2: Convert to fraction form
    168,073.28/231,940.02 = 92,621.84/x
  3. Step 3: Cross multiply
    168,073.28x = 231,940.02 × 92,621.84
  4. Step 4: Simplify right side
    168,073.28x = 21,482,711,422.04
  5. Step 5: Solve for x
    x = 21,482,711,422.04/168,073.28
  6. Step 6: Final answer
    x = 127,817.53

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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.