Home / 132,723.33-198,964.67-66,183.86

Finding the Fourth Proportional to 132,723.33, 198,964.67 and 66,183.86

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Solution

The fourth proportional to 132,723.33, 198,964.67 and 66,183.86 is: 99,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,723.33 : 198,964.67 = 66,183.86 : x
  2. Step 2: Convert to fraction form
    132,723.33/198,964.67 = 66,183.86/x
  3. Step 3: Cross multiply
    132,723.33x = 198,964.67 × 66,183.86
  4. Step 4: Simplify right side
    132,723.33x = 13,168,248,538.48
  5. Step 5: Solve for x
    x = 13,168,248,538.48/132,723.33
  6. Step 6: Final answer
    x = 99,215.78

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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.