Home / 231,163.20-346,372.20-131,025.60

Finding the Fourth Proportional to 231,163.20, 346,372.20 and 131,025.60

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Solution

The fourth proportional to 231,163.20, 346,372.20 and 131,025.60 is: 196,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,163.20 : 346,372.20 = 131,025.60 : x
  2. Step 2: Convert to fraction form
    231,163.20/346,372.20 = 131,025.60/x
  3. Step 3: Cross multiply
    231,163.20x = 346,372.20 × 131,025.60
  4. Step 4: Simplify right side
    231,163.20x = 45,383,625,328.32
  5. Step 5: Solve for x
    x = 45,383,625,328.32/231,163.20
  6. Step 6: Final answer
    x = 196,327.21

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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.