Home / 327,885.89-491,846.38-103,263.81

Finding the Fourth Proportional to 327,885.89, 491,846.38 and 103,263.81

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Solution

The fourth proportional to 327,885.89, 491,846.38 and 103,263.81 is: 154,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,885.89 : 491,846.38 = 103,263.81 : x
  2. Step 2: Convert to fraction form
    327,885.89/491,846.38 = 103,263.81/x
  3. Step 3: Cross multiply
    327,885.89x = 491,846.38 × 103,263.81
  4. Step 4: Simplify right side
    327,885.89x = 50,789,930,617.19
  5. Step 5: Solve for x
    x = 50,789,930,617.19/327,885.89
  6. Step 6: Final answer
    x = 154,901.24

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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.