Home / 204,128.00-281,680.68-113,478.45

Finding the Fourth Proportional to 204,128.00, 281,680.68 and 113,478.45

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Solution

The fourth proportional to 204,128.00, 281,680.68 and 113,478.45 is: 156,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.00 : 281,680.68 = 113,478.45 : x
  2. Step 2: Convert to fraction form
    204,128.00/281,680.68 = 113,478.45/x
  3. Step 3: Cross multiply
    204,128.00x = 281,680.68 × 113,478.45
  4. Step 4: Simplify right side
    204,128.00x = 31,964,686,961.35
  5. Step 5: Solve for x
    x = 31,964,686,961.35/204,128.00
  6. Step 6: Final answer
    x = 156,591.39

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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.