Home / 226,388.90-339,632.34-68,629.25

Finding the Fourth Proportional to 226,388.90, 339,632.34 and 68,629.25

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Solution

The fourth proportional to 226,388.90, 339,632.34 and 68,629.25 is: 102,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,388.90 : 339,632.34 = 68,629.25 : x
  2. Step 2: Convert to fraction form
    226,388.90/339,632.34 = 68,629.25/x
  3. Step 3: Cross multiply
    226,388.90x = 339,632.34 × 68,629.25
  4. Step 4: Simplify right side
    226,388.90x = 23,308,711,071.78
  5. Step 5: Solve for x
    x = 23,308,711,071.78/226,388.90
  6. Step 6: Final answer
    x = 102,958.72

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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.