Home / 203,716.39-281,124.39-113,067.04

Finding the Fourth Proportional to 203,716.39, 281,124.39 and 113,067.04

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Solution

The fourth proportional to 203,716.39, 281,124.39 and 113,067.04 is: 156,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,716.39 : 281,124.39 = 113,067.04 : x
  2. Step 2: Convert to fraction form
    203,716.39/281,124.39 = 113,067.04/x
  3. Step 3: Cross multiply
    203,716.39x = 281,124.39 × 113,067.04
  4. Step 4: Simplify right side
    203,716.39x = 31,785,902,649.11
  5. Step 5: Solve for x
    x = 31,785,902,649.11/203,716.39
  6. Step 6: Final answer
    x = 156,030.17

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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.