Home / 167,943.20-251,765.76-68,177.12

Finding the Fourth Proportional to 167,943.20, 251,765.76 and 68,177.12

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Solution

The fourth proportional to 167,943.20, 251,765.76 and 68,177.12 is: 102,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,943.20 : 251,765.76 = 68,177.12 : x
  2. Step 2: Convert to fraction form
    167,943.20/251,765.76 = 68,177.12/x
  3. Step 3: Cross multiply
    167,943.20x = 251,765.76 × 68,177.12
  4. Step 4: Simplify right side
    167,943.20x = 17,164,664,431.41
  5. Step 5: Solve for x
    x = 17,164,664,431.41/167,943.20
  6. Step 6: Final answer
    x = 102,205.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.