Home / 203,869.98-281,344.05-111,993.14

Finding the Fourth Proportional to 203,869.98, 281,344.05 and 111,993.14

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Solution

The fourth proportional to 203,869.98, 281,344.05 and 111,993.14 is: 154,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,869.98 : 281,344.05 = 111,993.14 : x
  2. Step 2: Convert to fraction form
    203,869.98/281,344.05 = 111,993.14/x
  3. Step 3: Cross multiply
    203,869.98x = 281,344.05 × 111,993.14
  4. Step 4: Simplify right side
    203,869.98x = 31,508,602,385.64
  5. Step 5: Solve for x
    x = 31,508,602,385.64/203,869.98
  6. Step 6: Final answer
    x = 154,552.44

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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.