Home / 150,220.56-207,304.83-82,238.12

Finding the Fourth Proportional to 150,220.56, 207,304.83 and 82,238.12

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Solution

The fourth proportional to 150,220.56, 207,304.83 and 82,238.12 is: 113,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,220.56 : 207,304.83 = 82,238.12 : x
  2. Step 2: Convert to fraction form
    150,220.56/207,304.83 = 82,238.12/x
  3. Step 3: Cross multiply
    150,220.56x = 207,304.83 × 82,238.12
  4. Step 4: Simplify right side
    150,220.56x = 17,048,359,486.12
  5. Step 5: Solve for x
    x = 17,048,359,486.12/150,220.56
  6. Step 6: Final answer
    x = 113,488.86

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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.