Home / 547,201.34-820,883.96-192,152.78

Finding the Fourth Proportional to 547,201.34, 820,883.96 and 192,152.78

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Solution

The fourth proportional to 547,201.34, 820,883.96 and 192,152.78 is: 288,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,201.34 : 820,883.96 = 192,152.78 : x
  2. Step 2: Convert to fraction form
    547,201.34/820,883.96 = 192,152.78/x
  3. Step 3: Cross multiply
    547,201.34x = 820,883.96 × 192,152.78
  4. Step 4: Simplify right side
    547,201.34x = 157,735,134,010.65
  5. Step 5: Solve for x
    x = 157,735,134,010.65/547,201.34
  6. Step 6: Final answer
    x = 288,257.95

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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.