Home / 263,450.52-395,216.94-85,916.24

Finding the Fourth Proportional to 263,450.52, 395,216.94 and 85,916.24

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Solution

The fourth proportional to 263,450.52, 395,216.94 and 85,916.24 is: 128,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,450.52 : 395,216.94 = 85,916.24 : x
  2. Step 2: Convert to fraction form
    263,450.52/395,216.94 = 85,916.24/x
  3. Step 3: Cross multiply
    263,450.52x = 395,216.94 × 85,916.24
  4. Step 4: Simplify right side
    263,450.52x = 33,955,554,671.94
  5. Step 5: Solve for x
    x = 33,955,554,671.94/263,450.52
  6. Step 6: Final answer
    x = 128,887.79

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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.