Home / 226,378.80-339,619.23-76,610.61

Finding the Fourth Proportional to 226,378.80, 339,619.23 and 76,610.61

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Solution

The fourth proportional to 226,378.80, 339,619.23 and 76,610.61 is: 114,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,378.80 : 339,619.23 = 76,610.61 : x
  2. Step 2: Convert to fraction form
    226,378.80/339,619.23 = 76,610.61/x
  3. Step 3: Cross multiply
    226,378.80x = 339,619.23 × 76,610.61
  4. Step 4: Simplify right side
    226,378.80x = 26,018,436,378.03
  5. Step 5: Solve for x
    x = 26,018,436,378.03/226,378.80
  6. Step 6: Final answer
    x = 114,933.18

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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.