Home / 377,932.52-521,546.78-208,166.65

Finding the Fourth Proportional to 377,932.52, 521,546.78 and 208,166.65

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Solution

The fourth proportional to 377,932.52, 521,546.78 and 208,166.65 is: 287,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,932.52 : 521,546.78 = 208,166.65 : x
  2. Step 2: Convert to fraction form
    377,932.52/521,546.78 = 208,166.65/x
  3. Step 3: Cross multiply
    377,932.52x = 521,546.78 × 208,166.65
  4. Step 4: Simplify right side
    377,932.52x = 108,568,645,227.44
  5. Step 5: Solve for x
    x = 108,568,645,227.44/377,932.52
  6. Step 6: Final answer
    x = 287,269.92

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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.