Home / 204,190.64-281,769.75-113,543.24

Finding the Fourth Proportional to 204,190.64, 281,769.75 and 113,543.24

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Solution

The fourth proportional to 204,190.64, 281,769.75 and 113,543.24 is: 156,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.64 : 281,769.75 = 113,543.24 : x
  2. Step 2: Convert to fraction form
    204,190.64/281,769.75 = 113,543.24/x
  3. Step 3: Cross multiply
    204,190.64x = 281,769.75 × 113,543.24
  4. Step 4: Simplify right side
    204,190.64x = 31,993,049,996.78
  5. Step 5: Solve for x
    x = 31,993,049,996.78/204,190.64
  6. Step 6: Final answer
    x = 156,682.25

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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.