Home / 263,726.10-395,616.69-76,737.60

Finding the Fourth Proportional to 263,726.10, 395,616.69 and 76,737.60

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Solution

The fourth proportional to 263,726.10, 395,616.69 and 76,737.60 is: 115,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,726.10 : 395,616.69 = 76,737.60 : x
  2. Step 2: Convert to fraction form
    263,726.10/395,616.69 = 76,737.60/x
  3. Step 3: Cross multiply
    263,726.10x = 395,616.69 × 76,737.60
  4. Step 4: Simplify right side
    263,726.10x = 30,358,675,310.54
  5. Step 5: Solve for x
    x = 30,358,675,310.54/263,726.10
  6. Step 6: Final answer
    x = 115,114.41

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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.