Home / 203,954.36-281,455.16-113,310.50

Finding the Fourth Proportional to 203,954.36, 281,455.16 and 113,310.50

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Solution

The fourth proportional to 203,954.36, 281,455.16 and 113,310.50 is: 156,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,954.36 : 281,455.16 = 113,310.50 : x
  2. Step 2: Convert to fraction form
    203,954.36/281,455.16 = 113,310.50/x
  3. Step 3: Cross multiply
    203,954.36x = 281,455.16 × 113,310.50
  4. Step 4: Simplify right side
    203,954.36x = 31,891,824,907.18
  5. Step 5: Solve for x
    x = 31,891,824,907.18/203,954.36
  6. Step 6: Final answer
    x = 156,367.46

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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.