Home / 226,399.26-339,579.30-76,636.35

Finding the Fourth Proportional to 226,399.26, 339,579.30 and 76,636.35

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Solution

The fourth proportional to 226,399.26, 339,579.30 and 76,636.35 is: 114,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,399.26 : 339,579.30 = 76,636.35 : x
  2. Step 2: Convert to fraction form
    226,399.26/339,579.30 = 76,636.35/x
  3. Step 3: Cross multiply
    226,399.26x = 339,579.30 × 76,636.35
  4. Step 4: Simplify right side
    226,399.26x = 26,024,118,087.56
  5. Step 5: Solve for x
    x = 26,024,118,087.56/226,399.26
  6. Step 6: Final answer
    x = 114,947.89

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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.