Home / 111,231.72-166,847.58-52,108.92

Finding the Fourth Proportional to 111,231.72, 166,847.58 and 52,108.92

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Solution

The fourth proportional to 111,231.72, 166,847.58 and 52,108.92 is: 78,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.72 : 166,847.58 = 52,108.92 : x
  2. Step 2: Convert to fraction form
    111,231.72/166,847.58 = 52,108.92/x
  3. Step 3: Cross multiply
    111,231.72x = 166,847.58 × 52,108.92
  4. Step 4: Simplify right side
    111,231.72x = 8,694,247,198.41
  5. Step 5: Solve for x
    x = 8,694,247,198.41/111,231.72
  6. Step 6: Final answer
    x = 78,163.38

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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.