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Finding the Fourth Proportional to 226,805.40, 340,194.40 and 100,408.68

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Solution

The fourth proportional to 226,805.40, 340,194.40 and 100,408.68 is: 150,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,805.40 : 340,194.40 = 100,408.68 : x
  2. Step 2: Convert to fraction form
    226,805.40/340,194.40 = 100,408.68/x
  3. Step 3: Cross multiply
    226,805.40x = 340,194.40 × 100,408.68
  4. Step 4: Simplify right side
    226,805.40x = 34,158,470,396.37
  5. Step 5: Solve for x
    x = 34,158,470,396.37/226,805.40
  6. Step 6: Final answer
    x = 150,606.95

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1.5x scale

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.