Home / 131,959.78-197,936.88-32,120.54

Finding the Fourth Proportional to 131,959.78, 197,936.88 and 32,120.54

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Solution

The fourth proportional to 131,959.78, 197,936.88 and 32,120.54 is: 48,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,959.78 : 197,936.88 = 32,120.54 : x
  2. Step 2: Convert to fraction form
    131,959.78/197,936.88 = 32,120.54/x
  3. Step 3: Cross multiply
    131,959.78x = 197,936.88 × 32,120.54
  4. Step 4: Simplify right side
    131,959.78x = 6,357,839,471.52
  5. Step 5: Solve for x
    x = 6,357,839,471.52/131,959.78
  6. Step 6: Final answer
    x = 48,180.13

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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.