Home / 132,581.31-198,903.11-43,834.83

Finding the Fourth Proportional to 132,581.31, 198,903.11 and 43,834.83

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Solution

The fourth proportional to 132,581.31, 198,903.11 and 43,834.83 is: 65,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,581.31 : 198,903.11 = 43,834.83 : x
  2. Step 2: Convert to fraction form
    132,581.31/198,903.11 = 43,834.83/x
  3. Step 3: Cross multiply
    132,581.31x = 198,903.11 × 43,834.83
  4. Step 4: Simplify right side
    132,581.31x = 8,718,883,794.15
  5. Step 5: Solve for x
    x = 8,718,883,794.15/132,581.31
  6. Step 6: Final answer
    x = 65,762.54

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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.