Home / 299,682.10-449,458.35-131,202.10

Finding the Fourth Proportional to 299,682.10, 449,458.35 and 131,202.10

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Solution

The fourth proportional to 299,682.10, 449,458.35 and 131,202.10 is: 196,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,682.10 : 449,458.35 = 131,202.10 : x
  2. Step 2: Convert to fraction form
    299,682.10/449,458.35 = 131,202.10/x
  3. Step 3: Cross multiply
    299,682.10x = 449,458.35 × 131,202.10
  4. Step 4: Simplify right side
    299,682.10x = 58,969,879,382.54
  5. Step 5: Solve for x
    x = 58,969,879,382.54/299,682.10
  6. Step 6: Final answer
    x = 196,774.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.