Home / 327,885.45-491,845.73-103,263.37

Finding the Fourth Proportional to 327,885.45, 491,845.73 and 103,263.37

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Solution

The fourth proportional to 327,885.45, 491,845.73 and 103,263.37 is: 154,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,885.45 : 491,845.73 = 103,263.37 : x
  2. Step 2: Convert to fraction form
    327,885.45/491,845.73 = 103,263.37/x
  3. Step 3: Cross multiply
    327,885.45x = 491,845.73 × 103,263.37
  4. Step 4: Simplify right side
    327,885.45x = 50,789,645,853.98
  5. Step 5: Solve for x
    x = 50,789,645,853.98/327,885.45
  6. Step 6: Final answer
    x = 154,900.58

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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.