Home / 150,067.40-207,088.60-82,082.90

Finding the Fourth Proportional to 150,067.40, 207,088.60 and 82,082.90

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Solution

The fourth proportional to 150,067.40, 207,088.60 and 82,082.90 is: 113,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,067.40 : 207,088.60 = 82,082.90 : x
  2. Step 2: Convert to fraction form
    150,067.40/207,088.60 = 82,082.90/x
  3. Step 3: Cross multiply
    150,067.40x = 207,088.60 × 82,082.90
  4. Step 4: Simplify right side
    150,067.40x = 16,998,432,610.85
  5. Step 5: Solve for x
    x = 16,998,432,610.85/150,067.40
  6. Step 6: Final answer
    x = 113,271.99

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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.