Home / 167,662.08-231,375.23-91,181.90

Finding the Fourth Proportional to 167,662.08, 231,375.23 and 91,181.90

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Solution

The fourth proportional to 167,662.08, 231,375.23 and 91,181.90 is: 125,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,662.08 : 231,375.23 = 91,181.90 : x
  2. Step 2: Convert to fraction form
    167,662.08/231,375.23 = 91,181.90/x
  3. Step 3: Cross multiply
    167,662.08x = 231,375.23 × 91,181.90
  4. Step 4: Simplify right side
    167,662.08x = 21,097,231,471.55
  5. Step 5: Solve for x
    x = 21,097,231,471.55/167,662.08
  6. Step 6: Final answer
    x = 125,831.86

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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.