Home / 203,640.82-281,020.02-112,994.80

Finding the Fourth Proportional to 203,640.82, 281,020.02 and 112,994.80

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Solution

The fourth proportional to 203,640.82, 281,020.02 and 112,994.80 is: 155,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,640.82 : 281,020.02 = 112,994.80 : x
  2. Step 2: Convert to fraction form
    203,640.82/281,020.02 = 112,994.80/x
  3. Step 3: Cross multiply
    203,640.82x = 281,020.02 × 112,994.80
  4. Step 4: Simplify right side
    203,640.82x = 31,753,800,955.90
  5. Step 5: Solve for x
    x = 31,753,800,955.90/203,640.82
  6. Step 6: Final answer
    x = 155,930.43

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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.