Home / 111,231.90-166,846.43-26,992.75

Finding the Fourth Proportional to 111,231.90, 166,846.43 and 26,992.75

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Solution

The fourth proportional to 111,231.90, 166,846.43 and 26,992.75 is: 40,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.90 : 166,846.43 = 26,992.75 : x
  2. Step 2: Convert to fraction form
    111,231.90/166,846.43 = 26,992.75/x
  3. Step 3: Cross multiply
    111,231.90x = 166,846.43 × 26,992.75
  4. Step 4: Simplify right side
    111,231.90x = 4,503,643,973.38
  5. Step 5: Solve for x
    x = 4,503,643,973.38/111,231.90
  6. Step 6: Final answer
    x = 40,488.78

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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.