Home / 150,721.44-207,998.33-82,744.83

Finding the Fourth Proportional to 150,721.44, 207,998.33 and 82,744.83

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Solution

The fourth proportional to 150,721.44, 207,998.33 and 82,744.83 is: 114,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,721.44 : 207,998.33 = 82,744.83 : x
  2. Step 2: Convert to fraction form
    150,721.44/207,998.33 = 82,744.83/x
  3. Step 3: Cross multiply
    150,721.44x = 207,998.33 × 82,744.83
  4. Step 4: Simplify right side
    150,721.44x = 17,210,786,042.41
  5. Step 5: Solve for x
    x = 17,210,786,042.41/150,721.44
  6. Step 6: Final answer
    x = 114,189.37

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1.5x scale

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.