Home / 173,820.20-260,624.70-68,517.80

Finding the Fourth Proportional to 173,820.20, 260,624.70 and 68,517.80

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Solution

The fourth proportional to 173,820.20, 260,624.70 and 68,517.80 is: 102,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,820.20 : 260,624.70 = 68,517.80 : x
  2. Step 2: Convert to fraction form
    173,820.20/260,624.70 = 68,517.80/x
  3. Step 3: Cross multiply
    173,820.20x = 260,624.70 × 68,517.80
  4. Step 4: Simplify right side
    173,820.20x = 17,857,431,069.66
  5. Step 5: Solve for x
    x = 17,857,431,069.66/173,820.20
  6. Step 6: Final answer
    x = 102,735.07

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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.