Home / 226,453.60-339,637.20-68,687.20

Finding the Fourth Proportional to 226,453.60, 339,637.20 and 68,687.20

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Solution

The fourth proportional to 226,453.60, 339,637.20 and 68,687.20 is: 103,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,453.60 : 339,637.20 = 68,687.20 : x
  2. Step 2: Convert to fraction form
    226,453.60/339,637.20 = 68,687.20/x
  3. Step 3: Cross multiply
    226,453.60x = 339,637.20 × 68,687.20
  4. Step 4: Simplify right side
    226,453.60x = 23,328,728,283.84
  5. Step 5: Solve for x
    x = 23,328,728,283.84/226,453.60
  6. Step 6: Final answer
    x = 103,017.70

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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.