Home / 173,621.80-260,432.70-80,076.52

Finding the Fourth Proportional to 173,621.80, 260,432.70 and 80,076.52

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Solution

The fourth proportional to 173,621.80, 260,432.70 and 80,076.52 is: 120,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,621.80 : 260,432.70 = 80,076.52 : x
  2. Step 2: Convert to fraction form
    173,621.80/260,432.70 = 80,076.52/x
  3. Step 3: Cross multiply
    173,621.80x = 260,432.70 × 80,076.52
  4. Step 4: Simplify right side
    173,621.80x = 20,854,544,310.20
  5. Step 5: Solve for x
    x = 20,854,544,310.20/173,621.80
  6. Step 6: Final answer
    x = 120,114.78

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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.