Home / 167,918.55-231,724.27-91,438.58

Finding the Fourth Proportional to 167,918.55, 231,724.27 and 91,438.58

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Solution

The fourth proportional to 167,918.55, 231,724.27 and 91,438.58 is: 126,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,918.55 : 231,724.27 = 91,438.58 : x
  2. Step 2: Convert to fraction form
    167,918.55/231,724.27 = 91,438.58/x
  3. Step 3: Cross multiply
    167,918.55x = 231,724.27 × 91,438.58
  4. Step 4: Simplify right side
    167,918.55x = 21,188,538,200.34
  5. Step 5: Solve for x
    x = 21,188,538,200.34/167,918.55
  6. Step 6: Final answer
    x = 126,183.43

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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.