Home / 131,960.78-197,938.38-32,121.54

Finding the Fourth Proportional to 131,960.78, 197,938.38 and 32,121.54

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Solution

The fourth proportional to 131,960.78, 197,938.38 and 32,121.54 is: 48,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,960.78 : 197,938.38 = 32,121.54 : x
  2. Step 2: Convert to fraction form
    131,960.78/197,938.38 = 32,121.54/x
  3. Step 3: Cross multiply
    131,960.78x = 197,938.38 × 32,121.54
  4. Step 4: Simplify right side
    131,960.78x = 6,358,085,590.71
  5. Step 5: Solve for x
    x = 6,358,085,590.71/131,960.78
  6. Step 6: Final answer
    x = 48,181.63

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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.