Home / 131,854.20-197,806.76-43,083.76

Finding the Fourth Proportional to 131,854.20, 197,806.76 and 43,083.76

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Solution

The fourth proportional to 131,854.20, 197,806.76 and 43,083.76 is: 64,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,854.20 : 197,806.76 = 43,083.76 : x
  2. Step 2: Convert to fraction form
    131,854.20/197,806.76 = 43,083.76/x
  3. Step 3: Cross multiply
    131,854.20x = 197,806.76 × 43,083.76
  4. Step 4: Simplify right side
    131,854.20x = 8,522,258,974.22
  5. Step 5: Solve for x
    x = 8,522,258,974.22/131,854.20
  6. Step 6: Final answer
    x = 64,633.96

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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.