Home / 419,184.55-628,583.94-134,822.56

Finding the Fourth Proportional to 419,184.55, 628,583.94 and 134,822.56

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Solution

The fourth proportional to 419,184.55, 628,583.94 and 134,822.56 is: 202,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,184.55 : 628,583.94 = 134,822.56 : x
  2. Step 2: Convert to fraction form
    419,184.55/628,583.94 = 134,822.56/x
  3. Step 3: Cross multiply
    419,184.55x = 628,583.94 × 134,822.56
  4. Step 4: Simplify right side
    419,184.55x = 84,747,295,965.69
  5. Step 5: Solve for x
    x = 84,747,295,965.69/419,184.55
  6. Step 6: Final answer
    x = 202,171.80

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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.