Home / 195,942.50-270,383.36-108,729.80

Finding the Fourth Proportional to 195,942.50, 270,383.36 and 108,729.80

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Solution

The fourth proportional to 195,942.50, 270,383.36 and 108,729.80 is: 150,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,942.50 : 270,383.36 = 108,729.80 : x
  2. Step 2: Convert to fraction form
    195,942.50/270,383.36 = 108,729.80/x
  3. Step 3: Cross multiply
    195,942.50x = 270,383.36 × 108,729.80
  4. Step 4: Simplify right side
    195,942.50x = 29,398,728,656.13
  5. Step 5: Solve for x
    x = 29,398,728,656.13/195,942.50
  6. Step 6: Final answer
    x = 150,037.53

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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.