Home / 131,444.70-197,179.20-52,542.60

Finding the Fourth Proportional to 131,444.70, 197,179.20 and 52,542.60

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Solution

The fourth proportional to 131,444.70, 197,179.20 and 52,542.60 is: 78,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,444.70 : 197,179.20 = 52,542.60 : x
  2. Step 2: Convert to fraction form
    131,444.70/197,179.20 = 52,542.60/x
  3. Step 3: Cross multiply
    131,444.70x = 197,179.20 × 52,542.60
  4. Step 4: Simplify right side
    131,444.70x = 10,360,307,833.92
  5. Step 5: Solve for x
    x = 10,360,307,833.92/131,444.70
  6. Step 6: Final answer
    x = 78,818.76

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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.