Home / 263,587.94-395,544.33-103,635.75

Finding the Fourth Proportional to 263,587.94, 395,544.33 and 103,635.75

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Solution

The fourth proportional to 263,587.94, 395,544.33 and 103,635.75 is: 155,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,587.94 : 395,544.33 = 103,635.75 : x
  2. Step 2: Convert to fraction form
    263,587.94/395,544.33 = 103,635.75/x
  3. Step 3: Cross multiply
    263,587.94x = 395,544.33 × 103,635.75
  4. Step 4: Simplify right side
    263,587.94x = 40,992,533,297.80
  5. Step 5: Solve for x
    x = 40,992,533,297.80/263,587.94
  6. Step 6: Final answer
    x = 155,517.49

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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.