Home / 203,044.24-280,208.56-111,169.92

Finding the Fourth Proportional to 203,044.24, 280,208.56 and 111,169.92

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Solution

The fourth proportional to 203,044.24, 280,208.56 and 111,169.92 is: 153,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,044.24 : 280,208.56 = 111,169.92 : x
  2. Step 2: Convert to fraction form
    203,044.24/280,208.56 = 111,169.92/x
  3. Step 3: Cross multiply
    203,044.24x = 280,208.56 × 111,169.92
  4. Step 4: Simplify right side
    203,044.24x = 31,150,763,198.52
  5. Step 5: Solve for x
    x = 31,150,763,198.52/203,044.24
  6. Step 6: Final answer
    x = 153,418.60

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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.