Home / 132,619.03-198,930.65-73,828.37

Finding the Fourth Proportional to 132,619.03, 198,930.65 and 73,828.37

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Solution

The fourth proportional to 132,619.03, 198,930.65 and 73,828.37 is: 110,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.03 : 198,930.65 = 73,828.37 : x
  2. Step 2: Convert to fraction form
    132,619.03/198,930.65 = 73,828.37/x
  3. Step 3: Cross multiply
    132,619.03x = 198,930.65 × 73,828.37
  4. Step 4: Simplify right side
    132,619.03x = 14,686,725,760.73
  5. Step 5: Solve for x
    x = 14,686,725,760.73/132,619.03
  6. Step 6: Final answer
    x = 110,743.73

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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.