Home / 353,418.38-487,706.24-192,269.32

Finding the Fourth Proportional to 353,418.38, 487,706.24 and 192,269.32

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Solution

The fourth proportional to 353,418.38, 487,706.24 and 192,269.32 is: 265,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,418.38 : 487,706.24 = 192,269.32 : x
  2. Step 2: Convert to fraction form
    353,418.38/487,706.24 = 192,269.32/x
  3. Step 3: Cross multiply
    353,418.38x = 487,706.24 × 192,269.32
  4. Step 4: Simplify right side
    353,418.38x = 93,770,947,124.56
  5. Step 5: Solve for x
    x = 93,770,947,124.56/353,418.38
  6. Step 6: Final answer
    x = 265,325.61

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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.