Home / 168,081.06-231,951.86-92,629.56

Finding the Fourth Proportional to 168,081.06, 231,951.86 and 92,629.56

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Solution

The fourth proportional to 168,081.06, 231,951.86 and 92,629.56 is: 127,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.06 : 231,951.86 = 92,629.56 : x
  2. Step 2: Convert to fraction form
    168,081.06/231,951.86 = 92,629.56/x
  3. Step 3: Cross multiply
    168,081.06x = 231,951.86 × 92,629.56
  4. Step 4: Simplify right side
    168,081.06x = 21,485,597,110.07
  5. Step 5: Solve for x
    x = 21,485,597,110.07/168,081.06
  6. Step 6: Final answer
    x = 127,828.79

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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.