Home / 150,003.64-206,997.42-82,922.68

Finding the Fourth Proportional to 150,003.64, 206,997.42 and 82,922.68

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Solution

The fourth proportional to 150,003.64, 206,997.42 and 82,922.68 is: 114,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.64 : 206,997.42 = 82,922.68 : x
  2. Step 2: Convert to fraction form
    150,003.64/206,997.42 = 82,922.68/x
  3. Step 3: Cross multiply
    150,003.64x = 206,997.42 × 82,922.68
  4. Step 4: Simplify right side
    150,003.64x = 17,164,780,819.49
  5. Step 5: Solve for x
    x = 17,164,780,819.49/150,003.64
  6. Step 6: Final answer
    x = 114,429.10

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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.