Home / 131,864.20-197,821.76-43,093.76

Finding the Fourth Proportional to 131,864.20, 197,821.76 and 43,093.76

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Solution

The fourth proportional to 131,864.20, 197,821.76 and 43,093.76 is: 64,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,864.20 : 197,821.76 = 43,093.76 : x
  2. Step 2: Convert to fraction form
    131,864.20/197,821.76 = 43,093.76/x
  3. Step 3: Cross multiply
    131,864.20x = 197,821.76 × 43,093.76
  4. Step 4: Simplify right side
    131,864.20x = 8,524,883,448.22
  5. Step 5: Solve for x
    x = 8,524,883,448.22/131,864.20
  6. Step 6: Final answer
    x = 64,648.96

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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.