Home / 397,286.10-595,947.51-131,069.88

Finding the Fourth Proportional to 397,286.10, 595,947.51 and 131,069.88

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Solution

The fourth proportional to 397,286.10, 595,947.51 and 131,069.88 is: 196,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,286.10 : 595,947.51 = 131,069.88 : x
  2. Step 2: Convert to fraction form
    397,286.10/595,947.51 = 131,069.88/x
  3. Step 3: Cross multiply
    397,286.10x = 595,947.51 × 131,069.88
  4. Step 4: Simplify right side
    397,286.10x = 78,110,768,622.00
  5. Step 5: Solve for x
    x = 78,110,768,622.00/397,286.10
  6. Step 6: Final answer
    x = 196,610.88

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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.