Home / 203,858.19-281,333.64-113,214.56

Finding the Fourth Proportional to 203,858.19, 281,333.64 and 113,214.56

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Solution

The fourth proportional to 203,858.19, 281,333.64 and 113,214.56 is: 156,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,858.19 : 281,333.64 = 113,214.56 : x
  2. Step 2: Convert to fraction form
    203,858.19/281,333.64 = 113,214.56/x
  3. Step 3: Cross multiply
    203,858.19x = 281,333.64 × 113,214.56
  4. Step 4: Simplify right side
    203,858.19x = 31,851,063,283.68
  5. Step 5: Solve for x
    x = 31,851,063,283.68/203,858.19
  6. Step 6: Final answer
    x = 156,241.27

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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.