Home / 195,942.51-270,383.34-108,729.81

Finding the Fourth Proportional to 195,942.51, 270,383.34 and 108,729.81

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Solution

The fourth proportional to 195,942.51, 270,383.34 and 108,729.81 is: 150,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,942.51 : 270,383.34 = 108,729.81 : x
  2. Step 2: Convert to fraction form
    195,942.51/270,383.34 = 108,729.81/x
  3. Step 3: Cross multiply
    195,942.51x = 270,383.34 × 108,729.81
  4. Step 4: Simplify right side
    195,942.51x = 29,398,729,185.37
  5. Step 5: Solve for x
    x = 29,398,729,185.37/195,942.51
  6. Step 6: Final answer
    x = 150,037.52

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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.