Home / 196,799.12-295,198.32-84,406.80

Finding the Fourth Proportional to 196,799.12, 295,198.32 and 84,406.80

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Solution

The fourth proportional to 196,799.12, 295,198.32 and 84,406.80 is: 126,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,799.12 : 295,198.32 = 84,406.80 : x
  2. Step 2: Convert to fraction form
    196,799.12/295,198.32 = 84,406.80/x
  3. Step 3: Cross multiply
    196,799.12x = 295,198.32 × 84,406.80
  4. Step 4: Simplify right side
    196,799.12x = 24,916,745,556.58
  5. Step 5: Solve for x
    x = 24,916,745,556.58/196,799.12
  6. Step 6: Final answer
    x = 126,610.05

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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.