Home / 226,716.40-339,268.20-197,455.60

Finding the Fourth Proportional to 226,716.40, 339,268.20 and 197,455.60

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Solution

The fourth proportional to 226,716.40, 339,268.20 and 197,455.60 is: 295,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,716.40 : 339,268.20 = 197,455.60 : x
  2. Step 2: Convert to fraction form
    226,716.40/339,268.20 = 197,455.60/x
  3. Step 3: Cross multiply
    226,716.40x = 339,268.20 × 197,455.60
  4. Step 4: Simplify right side
    226,716.40x = 66,990,405,991.92
  5. Step 5: Solve for x
    x = 66,990,405,991.92/226,716.40
  6. Step 6: Final answer
    x = 295,481.08

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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.