Home / 226,528.11-339,768.78-76,764.51

Finding the Fourth Proportional to 226,528.11, 339,768.78 and 76,764.51

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Solution

The fourth proportional to 226,528.11, 339,768.78 and 76,764.51 is: 115,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,528.11 : 339,768.78 = 76,764.51 : x
  2. Step 2: Convert to fraction form
    226,528.11/339,768.78 = 76,764.51/x
  3. Step 3: Cross multiply
    226,528.11x = 339,768.78 × 76,764.51
  4. Step 4: Simplify right side
    226,528.11x = 26,082,183,910.00
  5. Step 5: Solve for x
    x = 26,082,183,910.00/226,528.11
  6. Step 6: Final answer
    x = 115,138.84

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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.