Home / 203,988.53-305,982.74-63,747.16

Finding the Fourth Proportional to 203,988.53, 305,982.74 and 63,747.16

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Solution

The fourth proportional to 203,988.53, 305,982.74 and 63,747.16 is: 95,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,988.53 : 305,982.74 = 63,747.16 : x
  2. Step 2: Convert to fraction form
    203,988.53/305,982.74 = 63,747.16/x
  3. Step 3: Cross multiply
    203,988.53x = 305,982.74 × 63,747.16
  4. Step 4: Simplify right side
    203,988.53x = 19,505,530,078.43
  5. Step 5: Solve for x
    x = 19,505,530,078.43/203,988.53
  6. Step 6: Final answer
    x = 95,620.72

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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.