Home / 196,822.70-295,234.05-126,781.10

Finding the Fourth Proportional to 196,822.70, 295,234.05 and 126,781.10

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Solution

The fourth proportional to 196,822.70, 295,234.05 and 126,781.10 is: 190,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,822.70 : 295,234.05 = 126,781.10 : x
  2. Step 2: Convert to fraction form
    196,822.70/295,234.05 = 126,781.10/x
  3. Step 3: Cross multiply
    196,822.70x = 295,234.05 × 126,781.10
  4. Step 4: Simplify right side
    196,822.70x = 37,430,097,616.46
  5. Step 5: Solve for x
    x = 37,430,097,616.46/196,822.70
  6. Step 6: Final answer
    x = 190,171.65

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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.