Home / 204,015.45-281,523.41-113,365.66

Finding the Fourth Proportional to 204,015.45, 281,523.41 and 113,365.66

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Solution

The fourth proportional to 204,015.45, 281,523.41 and 113,365.66 is: 156,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,015.45 : 281,523.41 = 113,365.66 : x
  2. Step 2: Convert to fraction form
    204,015.45/281,523.41 = 113,365.66/x
  3. Step 3: Cross multiply
    204,015.45x = 281,523.41 × 113,365.66
  4. Step 4: Simplify right side
    204,015.45x = 31,915,087,180.10
  5. Step 5: Solve for x
    x = 31,915,087,180.10/204,015.45
  6. Step 6: Final answer
    x = 156,434.66

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1.5x scale

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.