Home / 203,734.62-281,139.70-113,083.46

Finding the Fourth Proportional to 203,734.62, 281,139.70 and 113,083.46

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Solution

The fourth proportional to 203,734.62, 281,139.70 and 113,083.46 is: 156,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,734.62 : 281,139.70 = 113,083.46 : x
  2. Step 2: Convert to fraction form
    203,734.62/281,139.70 = 113,083.46/x
  3. Step 3: Cross multiply
    203,734.62x = 281,139.70 × 113,083.46
  4. Step 4: Simplify right side
    203,734.62x = 31,792,250,019.36
  5. Step 5: Solve for x
    x = 31,792,250,019.36/203,734.62
  6. Step 6: Final answer
    x = 156,047.36

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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.