Home / 132,194.10-197,999.55-79,511.70

Finding the Fourth Proportional to 132,194.10, 197,999.55 and 79,511.70

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Solution

The fourth proportional to 132,194.10, 197,999.55 and 79,511.70 is: 119,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,194.10 : 197,999.55 = 79,511.70 : x
  2. Step 2: Convert to fraction form
    132,194.10/197,999.55 = 79,511.70/x
  3. Step 3: Cross multiply
    132,194.10x = 197,999.55 × 79,511.70
  4. Step 4: Simplify right side
    132,194.10x = 15,743,280,819.74
  5. Step 5: Solve for x
    x = 15,743,280,819.74/132,194.10
  6. Step 6: Final answer
    x = 119,092.16

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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.