Home / 150,198.43-207,279.09-82,215.44

Finding the Fourth Proportional to 150,198.43, 207,279.09 and 82,215.44

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Solution

The fourth proportional to 150,198.43, 207,279.09 and 82,215.44 is: 113,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,198.43 : 207,279.09 = 82,215.44 : x
  2. Step 2: Convert to fraction form
    150,198.43/207,279.09 = 82,215.44/x
  3. Step 3: Cross multiply
    150,198.43x = 207,279.09 × 82,215.44
  4. Step 4: Simplify right side
    150,198.43x = 17,041,542,364.45
  5. Step 5: Solve for x
    x = 17,041,542,364.45/150,198.43
  6. Step 6: Final answer
    x = 113,460.19

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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.