Home / 203,860.26-281,334.15-113,217.66

Finding the Fourth Proportional to 203,860.26, 281,334.15 and 113,217.66

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Solution

The fourth proportional to 203,860.26, 281,334.15 and 113,217.66 is: 156,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,860.26 : 281,334.15 = 113,217.66 : x
  2. Step 2: Convert to fraction form
    203,860.26/281,334.15 = 113,217.66/x
  3. Step 3: Cross multiply
    203,860.26x = 281,334.15 × 113,217.66
  4. Step 4: Simplify right side
    203,860.26x = 31,851,994,141.09
  5. Step 5: Solve for x
    x = 31,851,994,141.09/203,860.26
  6. Step 6: Final answer
    x = 156,244.25

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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.