Home / 203,942.50-281,409.46-113,290.13

Finding the Fourth Proportional to 203,942.50, 281,409.46 and 113,290.13

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Solution

The fourth proportional to 203,942.50, 281,409.46 and 113,290.13 is: 156,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942.50 : 281,409.46 = 113,290.13 : x
  2. Step 2: Convert to fraction form
    203,942.50/281,409.46 = 113,290.13/x
  3. Step 3: Cross multiply
    203,942.50x = 281,409.46 × 113,290.13
  4. Step 4: Simplify right side
    203,942.50x = 31,880,914,726.93
  5. Step 5: Solve for x
    x = 31,880,914,726.93/203,942.50
  6. Step 6: Final answer
    x = 156,323.06

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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.