Home / 177,982.18-267,029.16-78,226.22

Finding the Fourth Proportional to 177,982.18, 267,029.16 and 78,226.22

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Solution

The fourth proportional to 177,982.18, 267,029.16 and 78,226.22 is: 117,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,982.18 : 267,029.16 = 78,226.22 : x
  2. Step 2: Convert to fraction form
    177,982.18/267,029.16 = 78,226.22/x
  3. Step 3: Cross multiply
    177,982.18x = 267,029.16 × 78,226.22
  4. Step 4: Simplify right side
    177,982.18x = 20,888,682,190.80
  5. Step 5: Solve for x
    x = 20,888,682,190.80/177,982.18
  6. Step 6: Final answer
    x = 117,363.90

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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.