Home / 131,290.27-196,919.00-36,527.56

Finding the Fourth Proportional to 131,290.27, 196,919.00 and 36,527.56

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Solution

The fourth proportional to 131,290.27, 196,919.00 and 36,527.56 is: 54,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,290.27 : 196,919.00 = 36,527.56 : x
  2. Step 2: Convert to fraction form
    131,290.27/196,919.00 = 36,527.56/x
  3. Step 3: Cross multiply
    131,290.27x = 196,919.00 × 36,527.56
  4. Step 4: Simplify right side
    131,290.27x = 7,192,970,049.68
  5. Step 5: Solve for x
    x = 7,192,970,049.68/131,290.27
  6. Step 6: Final answer
    x = 54,786.77

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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.