Home / 203,715.44-281,121.93-113,071.17

Finding the Fourth Proportional to 203,715.44, 281,121.93 and 113,071.17

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Solution

The fourth proportional to 203,715.44, 281,121.93 and 113,071.17 is: 156,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,715.44 : 281,121.93 = 113,071.17 : x
  2. Step 2: Convert to fraction form
    203,715.44/281,121.93 = 113,071.17/x
  3. Step 3: Cross multiply
    203,715.44x = 281,121.93 × 113,071.17
  4. Step 4: Simplify right side
    203,715.44x = 31,786,785,537.76
  5. Step 5: Solve for x
    x = 31,786,785,537.76/203,715.44
  6. Step 6: Final answer
    x = 156,035.23

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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.