Home / 166,983.60-230,446.20-91,535.28

Finding the Fourth Proportional to 166,983.60, 230,446.20 and 91,535.28

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Solution

The fourth proportional to 166,983.60, 230,446.20 and 91,535.28 is: 126,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,983.60 : 230,446.20 = 91,535.28 : x
  2. Step 2: Convert to fraction form
    166,983.60/230,446.20 = 91,535.28/x
  3. Step 3: Cross multiply
    166,983.60x = 230,446.20 × 91,535.28
  4. Step 4: Simplify right side
    166,983.60x = 21,093,957,441.94
  5. Step 5: Solve for x
    x = 21,093,957,441.94/166,983.60
  6. Step 6: Final answer
    x = 126,323.53

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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.