Home / 167,664.89-231,379.11-91,184.72

Finding the Fourth Proportional to 167,664.89, 231,379.11 and 91,184.72

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Solution

The fourth proportional to 167,664.89, 231,379.11 and 91,184.72 is: 125,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,664.89 : 231,379.11 = 91,184.72 : x
  2. Step 2: Convert to fraction form
    167,664.89/231,379.11 = 91,184.72/x
  3. Step 3: Cross multiply
    167,664.89x = 231,379.11 × 91,184.72
  4. Step 4: Simplify right side
    167,664.89x = 21,098,238,202.30
  5. Step 5: Solve for x
    x = 21,098,238,202.30/167,664.89
  6. Step 6: Final answer
    x = 125,835.75

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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.