Home / 203,644.21-281,015.51-112,994.43

Finding the Fourth Proportional to 203,644.21, 281,015.51 and 112,994.43

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Solution

The fourth proportional to 203,644.21, 281,015.51 and 112,994.43 is: 155,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,644.21 : 281,015.51 = 112,994.43 : x
  2. Step 2: Convert to fraction form
    203,644.21/281,015.51 = 112,994.43/x
  3. Step 3: Cross multiply
    203,644.21x = 281,015.51 × 112,994.43
  4. Step 4: Simplify right side
    203,644.21x = 31,753,186,808.64
  5. Step 5: Solve for x
    x = 31,753,186,808.64/203,644.21
  6. Step 6: Final answer
    x = 155,924.82

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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.