Home / 199,213.20-274,911.30-108,571.20

Finding the Fourth Proportional to 199,213.20, 274,911.30 and 108,571.20

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Solution

The fourth proportional to 199,213.20, 274,911.30 and 108,571.20 is: 149,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,213.20 : 274,911.30 = 108,571.20 : x
  2. Step 2: Convert to fraction form
    199,213.20/274,911.30 = 108,571.20/x
  3. Step 3: Cross multiply
    199,213.20x = 274,911.30 × 108,571.20
  4. Step 4: Simplify right side
    199,213.20x = 29,847,449,734.56
  5. Step 5: Solve for x
    x = 29,847,449,734.56/199,213.20
  6. Step 6: Final answer
    x = 149,826.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.