Home / 263,540.36-395,384.35-105,879.53

Finding the Fourth Proportional to 263,540.36, 395,384.35 and 105,879.53

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Solution

The fourth proportional to 263,540.36, 395,384.35 and 105,879.53 is: 158,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,540.36 : 395,384.35 = 105,879.53 : x
  2. Step 2: Convert to fraction form
    263,540.36/395,384.35 = 105,879.53/x
  3. Step 3: Cross multiply
    263,540.36x = 395,384.35 × 105,879.53
  4. Step 4: Simplify right side
    263,540.36x = 41,863,109,147.36
  5. Step 5: Solve for x
    x = 41,863,109,147.36/263,540.36
  6. Step 6: Final answer
    x = 158,848.95

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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.