Home / 263,097.05-394,579.89-103,205.48

Finding the Fourth Proportional to 263,097.05, 394,579.89 and 103,205.48

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Solution

The fourth proportional to 263,097.05, 394,579.89 and 103,205.48 is: 154,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,097.05 : 394,579.89 = 103,205.48 : x
  2. Step 2: Convert to fraction form
    263,097.05/394,579.89 = 103,205.48/x
  3. Step 3: Cross multiply
    263,097.05x = 394,579.89 × 103,205.48
  4. Step 4: Simplify right side
    263,097.05x = 40,722,804,972.90
  5. Step 5: Solve for x
    x = 40,722,804,972.90/263,097.05
  6. Step 6: Final answer
    x = 154,782.45

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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.