Home / 204,190.62-281,789.90-112,313.79

Finding the Fourth Proportional to 204,190.62, 281,789.90 and 112,313.79

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Solution

The fourth proportional to 204,190.62, 281,789.90 and 112,313.79 is: 154,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.62 : 281,789.90 = 112,313.79 : x
  2. Step 2: Convert to fraction form
    204,190.62/281,789.90 = 112,313.79/x
  3. Step 3: Cross multiply
    204,190.62x = 281,789.90 × 112,313.79
  4. Step 4: Simplify right side
    204,190.62x = 31,648,891,652.72
  5. Step 5: Solve for x
    x = 31,648,891,652.72/204,190.62
  6. Step 6: Final answer
    x = 154,996.79

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1.5x scale

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.