Home / 382,267.71-527,542.98-210,198.78

Finding the Fourth Proportional to 382,267.71, 527,542.98 and 210,198.78

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Solution

The fourth proportional to 382,267.71, 527,542.98 and 210,198.78 is: 290,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,267.71 : 527,542.98 = 210,198.78 : x
  2. Step 2: Convert to fraction form
    382,267.71/527,542.98 = 210,198.78/x
  3. Step 3: Cross multiply
    382,267.71x = 527,542.98 × 210,198.78
  4. Step 4: Simplify right side
    382,267.71x = 110,888,890,793.56
  5. Step 5: Solve for x
    x = 110,888,890,793.56/382,267.71
  6. Step 6: Final answer
    x = 290,081.76

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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.