Home / 150,151.62-207,209.24-82,168.60

Finding the Fourth Proportional to 150,151.62, 207,209.24 and 82,168.60

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Solution

The fourth proportional to 150,151.62, 207,209.24 and 82,168.60 is: 113,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151.62 : 207,209.24 = 82,168.60 : x
  2. Step 2: Convert to fraction form
    150,151.62/207,209.24 = 82,168.60/x
  3. Step 3: Cross multiply
    150,151.62x = 207,209.24 × 82,168.60
  4. Step 4: Simplify right side
    150,151.62x = 17,026,093,387.85
  5. Step 5: Solve for x
    x = 17,026,093,387.85/150,151.62
  6. Step 6: Final answer
    x = 113,392.67

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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.