Home / 204,190.07-306,372.78-70,997.72

Finding the Fourth Proportional to 204,190.07, 306,372.78 and 70,997.72

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Solution

The fourth proportional to 204,190.07, 306,372.78 and 70,997.72 is: 106,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.07 : 306,372.78 = 70,997.72 : x
  2. Step 2: Convert to fraction form
    204,190.07/306,372.78 = 70,997.72/x
  3. Step 3: Cross multiply
    204,190.07x = 306,372.78 × 70,997.72
  4. Step 4: Simplify right side
    204,190.07x = 21,751,767,318.20
  5. Step 5: Solve for x
    x = 21,751,767,318.20/204,190.07
  6. Step 6: Final answer
    x = 106,527.06

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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.