Home / 263,739.27-395,671.14-86,245.59

Finding the Fourth Proportional to 263,739.27, 395,671.14 and 86,245.59

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Solution

The fourth proportional to 263,739.27, 395,671.14 and 86,245.59 is: 129,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,739.27 : 395,671.14 = 86,245.59 : x
  2. Step 2: Convert to fraction form
    263,739.27/395,671.14 = 86,245.59/x
  3. Step 3: Cross multiply
    263,739.27x = 395,671.14 × 86,245.59
  4. Step 4: Simplify right side
    263,739.27x = 34,124,890,915.27
  5. Step 5: Solve for x
    x = 34,124,890,915.27/263,739.27
  6. Step 6: Final answer
    x = 129,388.74

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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.