Home / 263,194.04-394,844.37-85,653.38

Finding the Fourth Proportional to 263,194.04, 394,844.37 and 85,653.38

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Solution

The fourth proportional to 263,194.04, 394,844.37 and 85,653.38 is: 128,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,194.04 : 394,844.37 = 85,653.38 : x
  2. Step 2: Convert to fraction form
    263,194.04/394,844.37 = 85,653.38/x
  3. Step 3: Cross multiply
    263,194.04x = 394,844.37 × 85,653.38
  4. Step 4: Simplify right side
    263,194.04x = 33,819,752,461.98
  5. Step 5: Solve for x
    x = 33,819,752,461.98/263,194.04
  6. Step 6: Final answer
    x = 128,497.41

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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.