Home / 150,991.48-226,516.38-80,949.16

Finding the Fourth Proportional to 150,991.48, 226,516.38 and 80,949.16

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Solution

The fourth proportional to 150,991.48, 226,516.38 and 80,949.16 is: 121,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,991.48 : 226,516.38 = 80,949.16 : x
  2. Step 2: Convert to fraction form
    150,991.48/226,516.38 = 80,949.16/x
  3. Step 3: Cross multiply
    150,991.48x = 226,516.38 × 80,949.16
  4. Step 4: Simplify right side
    150,991.48x = 18,336,310,687.24
  5. Step 5: Solve for x
    x = 18,336,310,687.24/150,991.48
  6. Step 6: Final answer
    x = 121,439.37

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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.