Home / 131,529.38-197,183.32-52,600.55

Finding the Fourth Proportional to 131,529.38, 197,183.32 and 52,600.55

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Solution

The fourth proportional to 131,529.38, 197,183.32 and 52,600.55 is: 78,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,529.38 : 197,183.32 = 52,600.55 : x
  2. Step 2: Convert to fraction form
    131,529.38/197,183.32 = 52,600.55/x
  3. Step 3: Cross multiply
    131,529.38x = 197,183.32 × 52,600.55
  4. Step 4: Simplify right side
    131,529.38x = 10,371,949,965.41
  5. Step 5: Solve for x
    x = 10,371,949,965.41/131,529.38
  6. Step 6: Final answer
    x = 78,856.53

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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.