Home / 206,961.62-311,825.40-186,994.32

Finding the Fourth Proportional to 206,961.62, 311,825.40 and 186,994.32

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Solution

The fourth proportional to 206,961.62, 311,825.40 and 186,994.32 is: 281,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,961.62 : 311,825.40 = 186,994.32 : x
  2. Step 2: Convert to fraction form
    206,961.62/311,825.40 = 186,994.32/x
  3. Step 3: Cross multiply
    206,961.62x = 311,825.40 × 186,994.32
  4. Step 4: Simplify right side
    206,961.62x = 58,309,578,631.73
  5. Step 5: Solve for x
    x = 58,309,578,631.73/206,961.62
  6. Step 6: Final answer
    x = 281,741.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.