Home / 143,161.41-197,591.76-82,734.60

Finding the Fourth Proportional to 143,161.41, 197,591.76 and 82,734.60

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Solution

The fourth proportional to 143,161.41, 197,591.76 and 82,734.60 is: 114,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,161.41 : 197,591.76 = 82,734.60 : x
  2. Step 2: Convert to fraction form
    143,161.41/197,591.76 = 82,734.60/x
  3. Step 3: Cross multiply
    143,161.41x = 197,591.76 × 82,734.60
  4. Step 4: Simplify right side
    143,161.41x = 16,347,675,226.90
  5. Step 5: Solve for x
    x = 16,347,675,226.90/143,161.41
  6. Step 6: Final answer
    x = 114,190.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.