Home / 274,850.37-412,269.68-75,170.76

Finding the Fourth Proportional to 274,850.37, 412,269.68 and 75,170.76

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Solution

The fourth proportional to 274,850.37, 412,269.68 and 75,170.76 is: 112,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,850.37 : 412,269.68 = 75,170.76 : x
  2. Step 2: Convert to fraction form
    274,850.37/412,269.68 = 75,170.76/x
  3. Step 3: Cross multiply
    274,850.37x = 412,269.68 × 75,170.76
  4. Step 4: Simplify right side
    274,850.37x = 30,990,625,170.56
  5. Step 5: Solve for x
    x = 30,990,625,170.56/274,850.37
  6. Step 6: Final answer
    x = 112,754.53

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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.