Home / 263,789.05-395,684.12-64,109.74

Finding the Fourth Proportional to 263,789.05, 395,684.12 and 64,109.74

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Solution

The fourth proportional to 263,789.05, 395,684.12 and 64,109.74 is: 96,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,789.05 : 395,684.12 = 64,109.74 : x
  2. Step 2: Convert to fraction form
    263,789.05/395,684.12 = 64,109.74/x
  3. Step 3: Cross multiply
    263,789.05x = 395,684.12 × 64,109.74
  4. Step 4: Simplify right side
    263,789.05x = 25,367,206,055.33
  5. Step 5: Solve for x
    x = 25,367,206,055.33/263,789.05
  6. Step 6: Final answer
    x = 96,164.74

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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.