Home / 131,308.27-196,945.97-36,545.56

Finding the Fourth Proportional to 131,308.27, 196,945.97 and 36,545.56

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Solution

The fourth proportional to 131,308.27, 196,945.97 and 36,545.56 is: 54,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,308.27 : 196,945.97 = 36,545.56 : x
  2. Step 2: Convert to fraction form
    131,308.27/196,945.97 = 36,545.56/x
  3. Step 3: Cross multiply
    131,308.27x = 196,945.97 × 36,545.56
  4. Step 4: Simplify right side
    131,308.27x = 7,197,500,088.30
  5. Step 5: Solve for x
    x = 7,197,500,088.30/131,308.27
  6. Step 6: Final answer
    x = 54,813.76

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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.