Home / 150,211.06-207,283.25-82,214.85

Finding the Fourth Proportional to 150,211.06, 207,283.25 and 82,214.85

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Solution

The fourth proportional to 150,211.06, 207,283.25 and 82,214.85 is: 113,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,211.06 : 207,283.25 = 82,214.85 : x
  2. Step 2: Convert to fraction form
    150,211.06/207,283.25 = 82,214.85/x
  3. Step 3: Cross multiply
    150,211.06x = 207,283.25 × 82,214.85
  4. Step 4: Simplify right side
    150,211.06x = 17,041,761,123.14
  5. Step 5: Solve for x
    x = 17,041,761,123.14/150,211.06
  6. Step 6: Final answer
    x = 113,452.11

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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.