Home / 206,270.20-309,356.16-116,351.56

Finding the Fourth Proportional to 206,270.20, 309,356.16 and 116,351.56

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Solution

The fourth proportional to 206,270.20, 309,356.16 and 116,351.56 is: 174,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,270.20 : 309,356.16 = 116,351.56 : x
  2. Step 2: Convert to fraction form
    206,270.20/309,356.16 = 116,351.56/x
  3. Step 3: Cross multiply
    206,270.20x = 309,356.16 × 116,351.56
  4. Step 4: Simplify right side
    206,270.20x = 35,994,071,811.61
  5. Step 5: Solve for x
    x = 35,994,071,811.61/206,270.20
  6. Step 6: Final answer
    x = 174,499.62

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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.