Home / 263,314.20-395,033.70-85,822.20

Finding the Fourth Proportional to 263,314.20, 395,033.70 and 85,822.20

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Solution

The fourth proportional to 263,314.20, 395,033.70 and 85,822.20 is: 128,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,314.20 : 395,033.70 = 85,822.20 : x
  2. Step 2: Convert to fraction form
    263,314.20/395,033.70 = 85,822.20/x
  3. Step 3: Cross multiply
    263,314.20x = 395,033.70 × 85,822.20
  4. Step 4: Simplify right side
    263,314.20x = 33,902,661,208.14
  5. Step 5: Solve for x
    x = 33,902,661,208.14/263,314.20
  6. Step 6: Final answer
    x = 128,753.64

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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.