Home / 263,389.26-395,146.77-85,896.42

Finding the Fourth Proportional to 263,389.26, 395,146.77 and 85,896.42

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Solution

The fourth proportional to 263,389.26, 395,146.77 and 85,896.42 is: 128,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,389.26 : 395,146.77 = 85,896.42 : x
  2. Step 2: Convert to fraction form
    263,389.26/395,146.77 = 85,896.42/x
  3. Step 3: Cross multiply
    263,389.26x = 395,146.77 × 85,896.42
  4. Step 4: Simplify right side
    263,389.26x = 33,941,692,917.56
  5. Step 5: Solve for x
    x = 33,941,692,917.56/263,389.26
  6. Step 6: Final answer
    x = 128,865.14

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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.