Home / 203,496.16-280,819.38-112,851.94

Finding the Fourth Proportional to 203,496.16, 280,819.38 and 112,851.94

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Solution

The fourth proportional to 203,496.16, 280,819.38 and 112,851.94 is: 155,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.16 : 280,819.38 = 112,851.94 : x
  2. Step 2: Convert to fraction form
    203,496.16/280,819.38 = 112,851.94/x
  3. Step 3: Cross multiply
    203,496.16x = 280,819.38 × 112,851.94
  4. Step 4: Simplify right side
    203,496.16x = 31,691,011,822.60
  5. Step 5: Solve for x
    x = 31,691,011,822.60/203,496.16
  6. Step 6: Final answer
    x = 155,732.73

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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.