Home / 203,858.12-281,333.56-113,214.50

Finding the Fourth Proportional to 203,858.12, 281,333.56 and 113,214.50

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Solution

The fourth proportional to 203,858.12, 281,333.56 and 113,214.50 is: 156,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,858.12 : 281,333.56 = 113,214.50 : x
  2. Step 2: Convert to fraction form
    203,858.12/281,333.56 = 113,214.50/x
  3. Step 3: Cross multiply
    203,858.12x = 281,333.56 × 113,214.50
  4. Step 4: Simplify right side
    203,858.12x = 31,851,038,328.62
  5. Step 5: Solve for x
    x = 31,851,038,328.62/203,858.12
  6. Step 6: Final answer
    x = 156,241.21

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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.