Home / 180,821.76-271,195.57-68,463.21

Finding the Fourth Proportional to 180,821.76, 271,195.57 and 68,463.21

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Solution

The fourth proportional to 180,821.76, 271,195.57 and 68,463.21 is: 102,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,821.76 : 271,195.57 = 68,463.21 : x
  2. Step 2: Convert to fraction form
    180,821.76/271,195.57 = 68,463.21/x
  3. Step 3: Cross multiply
    180,821.76x = 271,195.57 × 68,463.21
  4. Step 4: Simplify right side
    180,821.76x = 18,566,919,259.98
  5. Step 5: Solve for x
    x = 18,566,919,259.98/180,821.76
  6. Step 6: Final answer
    x = 102,680.78

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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.