Home / 203,611.82-281,018.04-112,996.89

Finding the Fourth Proportional to 203,611.82, 281,018.04 and 112,996.89

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Solution

The fourth proportional to 203,611.82, 281,018.04 and 112,996.89 is: 155,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,611.82 : 281,018.04 = 112,996.89 : x
  2. Step 2: Convert to fraction form
    203,611.82/281,018.04 = 112,996.89/x
  3. Step 3: Cross multiply
    203,611.82x = 281,018.04 × 112,996.89
  4. Step 4: Simplify right side
    203,611.82x = 31,754,164,553.90
  5. Step 5: Solve for x
    x = 31,754,164,553.90/203,611.82
  6. Step 6: Final answer
    x = 155,954.43

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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.