Home / 150,721.82-225,949.60-115,341.11

Finding the Fourth Proportional to 150,721.82, 225,949.60 and 115,341.11

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Solution

The fourth proportional to 150,721.82, 225,949.60 and 115,341.11 is: 172,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,721.82 : 225,949.60 = 115,341.11 : x
  2. Step 2: Convert to fraction form
    150,721.82/225,949.60 = 115,341.11/x
  3. Step 3: Cross multiply
    150,721.82x = 225,949.60 × 115,341.11
  4. Step 4: Simplify right side
    150,721.82x = 26,061,277,529.80
  5. Step 5: Solve for x
    x = 26,061,277,529.80/150,721.82
  6. Step 6: Final answer
    x = 172,909.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.