Home / 111,231.15-166,845.31-26,992

Finding the Fourth Proportional to 111,231.15, 166,845.31 and 26,992

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Solution

The fourth proportional to 111,231.15, 166,845.31 and 26,992 is: 40,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.15 : 166,845.31 = 26,992 : x
  2. Step 2: Convert to fraction form
    111,231.15/166,845.31 = 26,992/x
  3. Step 3: Cross multiply
    111,231.15x = 166,845.31 × 26,992
  4. Step 4: Simplify right side
    111,231.15x = 4,503,488,607.52
  5. Step 5: Solve for x
    x = 4,503,488,607.52/111,231.15
  6. Step 6: Final answer
    x = 40,487.66

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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.