Home / 203,169.10-280,375.41-122,581.04

Finding the Fourth Proportional to 203,169.10, 280,375.41 and 122,581.04

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Solution

The fourth proportional to 203,169.10, 280,375.41 and 122,581.04 is: 169,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,169.10 : 280,375.41 = 122,581.04 : x
  2. Step 2: Convert to fraction form
    203,169.10/280,375.41 = 122,581.04/x
  3. Step 3: Cross multiply
    203,169.10x = 280,375.41 × 122,581.04
  4. Step 4: Simplify right side
    203,169.10x = 34,368,709,348.23
  5. Step 5: Solve for x
    x = 34,368,709,348.23/203,169.10
  6. Step 6: Final answer
    x = 169,163.08

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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.