Home / 150,272.46-225,473.82-82,721.97

Finding the Fourth Proportional to 150,272.46, 225,473.82 and 82,721.97

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Solution

The fourth proportional to 150,272.46, 225,473.82 and 82,721.97 is: 124,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,272.46 : 225,473.82 = 82,721.97 : x
  2. Step 2: Convert to fraction form
    150,272.46/225,473.82 = 82,721.97/x
  3. Step 3: Cross multiply
    150,272.46x = 225,473.82 × 82,721.97
  4. Step 4: Simplify right side
    150,272.46x = 18,651,638,573.83
  5. Step 5: Solve for x
    x = 18,651,638,573.83/150,272.46
  6. Step 6: Final answer
    x = 124,118.81

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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.