Home / 338,942.88-467,725.32-185,977.62

Finding the Fourth Proportional to 338,942.88, 467,725.32 and 185,977.62

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Solution

The fourth proportional to 338,942.88, 467,725.32 and 185,977.62 is: 256,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,942.88 : 467,725.32 = 185,977.62 : x
  2. Step 2: Convert to fraction form
    338,942.88/467,725.32 = 185,977.62/x
  3. Step 3: Cross multiply
    338,942.88x = 467,725.32 × 185,977.62
  4. Step 4: Simplify right side
    338,942.88x = 86,986,441,827.34
  5. Step 5: Solve for x
    x = 86,986,441,827.34/338,942.88
  6. Step 6: Final answer
    x = 256,640.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.