Home / 165,721.14-228,687.30-94,091.76

Finding the Fourth Proportional to 165,721.14, 228,687.30 and 94,091.76

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Solution

The fourth proportional to 165,721.14, 228,687.30 and 94,091.76 is: 129,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,721.14 : 228,687.30 = 94,091.76 : x
  2. Step 2: Convert to fraction form
    165,721.14/228,687.30 = 94,091.76/x
  3. Step 3: Cross multiply
    165,721.14x = 228,687.30 × 94,091.76
  4. Step 4: Simplify right side
    165,721.14x = 21,517,590,546.65
  5. Step 5: Solve for x
    x = 21,517,590,546.65/165,721.14
  6. Step 6: Final answer
    x = 129,842.16

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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.