Home / 196,821.20-295,231.80-108,247.70

Finding the Fourth Proportional to 196,821.20, 295,231.80 and 108,247.70

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Solution

The fourth proportional to 196,821.20, 295,231.80 and 108,247.70 is: 162,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,821.20 : 295,231.80 = 108,247.70 : x
  2. Step 2: Convert to fraction form
    196,821.20/295,231.80 = 108,247.70/x
  3. Step 3: Cross multiply
    196,821.20x = 295,231.80 × 108,247.70
  4. Step 4: Simplify right side
    196,821.20x = 31,958,163,316.86
  5. Step 5: Solve for x
    x = 31,958,163,316.86/196,821.20
  6. Step 6: Final answer
    x = 162,371.55

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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.