Home / 285,245.82-393,572.52-194,789.88

Finding the Fourth Proportional to 285,245.82, 393,572.52 and 194,789.88

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Solution

The fourth proportional to 285,245.82, 393,572.52 and 194,789.88 is: 268,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,245.82 : 393,572.52 = 194,789.88 : x
  2. Step 2: Convert to fraction form
    285,245.82/393,572.52 = 194,789.88/x
  3. Step 3: Cross multiply
    285,245.82x = 393,572.52 × 194,789.88
  4. Step 4: Simplify right side
    285,245.82x = 76,663,943,942.10
  5. Step 5: Solve for x
    x = 76,663,943,942.10/285,245.82
  6. Step 6: Final answer
    x = 268,764.48

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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.