Home / 131,282.20-196,631.70-113,786.20

Finding the Fourth Proportional to 131,282.20, 196,631.70 and 113,786.20

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Solution

The fourth proportional to 131,282.20, 196,631.70 and 113,786.20 is: 170,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,282.20 : 196,631.70 = 113,786.20 : x
  2. Step 2: Convert to fraction form
    131,282.20/196,631.70 = 113,786.20/x
  3. Step 3: Cross multiply
    131,282.20x = 196,631.70 × 113,786.20
  4. Step 4: Simplify right side
    131,282.20x = 22,373,973,942.54
  5. Step 5: Solve for x
    x = 22,373,973,942.54/131,282.20
  6. Step 6: Final answer
    x = 170,426.56

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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.