Home / 212,475.92-292,826.20-198,993.04

Finding the Fourth Proportional to 212,475.92, 292,826.20 and 198,993.04

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Solution

The fourth proportional to 212,475.92, 292,826.20 and 198,993.04 is: 274,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,475.92 : 292,826.20 = 198,993.04 : x
  2. Step 2: Convert to fraction form
    212,475.92/292,826.20 = 198,993.04/x
  3. Step 3: Cross multiply
    212,475.92x = 292,826.20 × 198,993.04
  4. Step 4: Simplify right side
    212,475.92x = 58,270,375,729.65
  5. Step 5: Solve for x
    x = 58,270,375,729.65/212,475.92
  6. Step 6: Final answer
    x = 274,244.61

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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.