Home / 132,618.75-198,930.18-73,828.09

Finding the Fourth Proportional to 132,618.75, 198,930.18 and 73,828.09

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Solution

The fourth proportional to 132,618.75, 198,930.18 and 73,828.09 is: 110,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,618.75 : 198,930.18 = 73,828.09 : x
  2. Step 2: Convert to fraction form
    132,618.75/198,930.18 = 73,828.09/x
  3. Step 3: Cross multiply
    132,618.75x = 198,930.18 × 73,828.09
  4. Step 4: Simplify right side
    132,618.75x = 14,686,635,758.27
  5. Step 5: Solve for x
    x = 14,686,635,758.27/132,618.75
  6. Step 6: Final answer
    x = 110,743.29

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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.