Home / 197,913.60-296,757.92-77,905.50

Finding the Fourth Proportional to 197,913.60, 296,757.92 and 77,905.50

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Solution

The fourth proportional to 197,913.60, 296,757.92 and 77,905.50 is: 116,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,913.60 : 296,757.92 = 77,905.50 : x
  2. Step 2: Convert to fraction form
    197,913.60/296,757.92 = 77,905.50/x
  3. Step 3: Cross multiply
    197,913.60x = 296,757.92 × 77,905.50
  4. Step 4: Simplify right side
    197,913.60x = 23,119,074,136.56
  5. Step 5: Solve for x
    x = 23,119,074,136.56/197,913.60
  6. Step 6: Final answer
    x = 116,813.97

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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.