Home / 167,857.38-231,635.91-91,376.58

Finding the Fourth Proportional to 167,857.38, 231,635.91 and 91,376.58

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Solution

The fourth proportional to 167,857.38, 231,635.91 and 91,376.58 is: 126,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,857.38 : 231,635.91 = 91,376.58 : x
  2. Step 2: Convert to fraction form
    167,857.38/231,635.91 = 91,376.58/x
  3. Step 3: Cross multiply
    167,857.38x = 231,635.91 × 91,376.58
  4. Step 4: Simplify right side
    167,857.38x = 21,166,097,260.99
  5. Step 5: Solve for x
    x = 21,166,097,260.99/167,857.38
  6. Step 6: Final answer
    x = 126,095.72

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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.