Home / 167,665.26-231,379.62-91,185.09

Finding the Fourth Proportional to 167,665.26, 231,379.62 and 91,185.09

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Solution

The fourth proportional to 167,665.26, 231,379.62 and 91,185.09 is: 125,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,665.26 : 231,379.62 = 91,185.09 : x
  2. Step 2: Convert to fraction form
    167,665.26/231,379.62 = 91,185.09/x
  3. Step 3: Cross multiply
    167,665.26x = 231,379.62 × 91,185.09
  4. Step 4: Simplify right side
    167,665.26x = 21,098,371,473.87
  5. Step 5: Solve for x
    x = 21,098,371,473.87/167,665.26
  6. Step 6: Final answer
    x = 125,836.27

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1.5x scale

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.