Home / 111,745.28-167,507.20-52,474.85

Finding the Fourth Proportional to 111,745.28, 167,507.20 and 52,474.85

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Solution

The fourth proportional to 111,745.28, 167,507.20 and 52,474.85 is: 78,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.28 : 167,507.20 = 52,474.85 : x
  2. Step 2: Convert to fraction form
    111,745.28/167,507.20 = 52,474.85/x
  3. Step 3: Cross multiply
    111,745.28x = 167,507.20 × 52,474.85
  4. Step 4: Simplify right side
    111,745.28x = 8,789,915,193.92
  5. Step 5: Solve for x
    x = 8,789,915,193.92/111,745.28
  6. Step 6: Final answer
    x = 78,660.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.