Home / 263,305.20-394,735.32-105,447.12

Finding the Fourth Proportional to 263,305.20, 394,735.32 and 105,447.12

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Solution

The fourth proportional to 263,305.20, 394,735.32 and 105,447.12 is: 158,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,305.20 : 394,735.32 = 105,447.12 : x
  2. Step 2: Convert to fraction form
    263,305.20/394,735.32 = 105,447.12/x
  3. Step 3: Cross multiply
    263,305.20x = 394,735.32 × 105,447.12
  4. Step 4: Simplify right side
    263,305.20x = 41,623,702,656.28
  5. Step 5: Solve for x
    x = 41,623,702,656.28/263,305.20
  6. Step 6: Final answer
    x = 158,081.58

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1.5x scale

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.