Home / 197,772.56-296,539.24-77,685.76

Finding the Fourth Proportional to 197,772.56, 296,539.24 and 77,685.76

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Solution

The fourth proportional to 197,772.56, 296,539.24 and 77,685.76 is: 116,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,772.56 : 296,539.24 = 77,685.76 : x
  2. Step 2: Convert to fraction form
    197,772.56/296,539.24 = 77,685.76/x
  3. Step 3: Cross multiply
    197,772.56x = 296,539.24 × 77,685.76
  4. Step 4: Simplify right side
    197,772.56x = 23,036,876,229.22
  5. Step 5: Solve for x
    x = 23,036,876,229.22/197,772.56
  6. Step 6: Final answer
    x = 116,481.66

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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.