Home / 263,878.12-395,667.23-103,867.33

Finding the Fourth Proportional to 263,878.12, 395,667.23 and 103,867.33

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Solution

The fourth proportional to 263,878.12, 395,667.23 and 103,867.33 is: 155,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,878.12 : 395,667.23 = 103,867.33 : x
  2. Step 2: Convert to fraction form
    263,878.12/395,667.23 = 103,867.33/x
  3. Step 3: Cross multiply
    263,878.12x = 395,667.23 × 103,867.33
  4. Step 4: Simplify right side
    263,878.12x = 41,096,899,113.35
  5. Step 5: Solve for x
    x = 41,096,899,113.35/263,878.12
  6. Step 6: Final answer
    x = 155,741.97

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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.