Home / 203,634.17-281,011.97-111,754.25

Finding the Fourth Proportional to 203,634.17, 281,011.97 and 111,754.25

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Solution

The fourth proportional to 203,634.17, 281,011.97 and 111,754.25 is: 154,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,634.17 : 281,011.97 = 111,754.25 : x
  2. Step 2: Convert to fraction form
    203,634.17/281,011.97 = 111,754.25/x
  3. Step 3: Cross multiply
    203,634.17x = 281,011.97 × 111,754.25
  4. Step 4: Simplify right side
    203,634.17x = 31,404,279,984.54
  5. Step 5: Solve for x
    x = 31,404,279,984.54/203,634.17
  6. Step 6: Final answer
    x = 154,219.11

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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.