Home / 131,423.40-197,183.70-52,594.20

Finding the Fourth Proportional to 131,423.40, 197,183.70 and 52,594.20

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Solution

The fourth proportional to 131,423.40, 197,183.70 and 52,594.20 is: 78,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.40 : 197,183.70 = 52,594.20 : x
  2. Step 2: Convert to fraction form
    131,423.40/197,183.70 = 52,594.20/x
  3. Step 3: Cross multiply
    131,423.40x = 197,183.70 × 52,594.20
  4. Step 4: Simplify right side
    131,423.40x = 10,370,718,954.54
  5. Step 5: Solve for x
    x = 10,370,718,954.54/131,423.40
  6. Step 6: Final answer
    x = 78,910.75

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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.