Home / 263,156.11-394,583.07-103,044.58

Finding the Fourth Proportional to 263,156.11, 394,583.07 and 103,044.58

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Solution

The fourth proportional to 263,156.11, 394,583.07 and 103,044.58 is: 154,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,156.11 : 394,583.07 = 103,044.58 : x
  2. Step 2: Convert to fraction form
    263,156.11/394,583.07 = 103,044.58/x
  3. Step 3: Cross multiply
    263,156.11x = 394,583.07 × 103,044.58
  4. Step 4: Simplify right side
    263,156.11x = 40,659,646,830.07
  5. Step 5: Solve for x
    x = 40,659,646,830.07/263,156.11
  6. Step 6: Final answer
    x = 154,507.71

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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.