Home / 204,149.37-281,732.64-113,509.16

Finding the Fourth Proportional to 204,149.37, 281,732.64 and 113,509.16

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Solution

The fourth proportional to 204,149.37, 281,732.64 and 113,509.16 is: 156,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,149.37 : 281,732.64 = 113,509.16 : x
  2. Step 2: Convert to fraction form
    204,149.37/281,732.64 = 113,509.16/x
  3. Step 3: Cross multiply
    204,149.37x = 281,732.64 × 113,509.16
  4. Step 4: Simplify right side
    204,149.37x = 31,979,233,902.32
  5. Step 5: Solve for x
    x = 31,979,233,902.32/204,149.37
  6. Step 6: Final answer
    x = 156,646.25

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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.