Home / 131,555.92-197,383.60-79,002.04

Finding the Fourth Proportional to 131,555.92, 197,383.60 and 79,002.04

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Solution

The fourth proportional to 131,555.92, 197,383.60 and 79,002.04 is: 118,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,555.92 : 197,383.60 = 79,002.04 : x
  2. Step 2: Convert to fraction form
    131,555.92/197,383.60 = 79,002.04/x
  3. Step 3: Cross multiply
    131,555.92x = 197,383.60 × 79,002.04
  4. Step 4: Simplify right side
    131,555.92x = 15,593,707,062.54
  5. Step 5: Solve for x
    x = 15,593,707,062.54/131,555.92
  6. Step 6: Final answer
    x = 118,532.92

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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.