Home / 203,706.49-281,092.16-113,066.28

Finding the Fourth Proportional to 203,706.49, 281,092.16 and 113,066.28

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Solution

The fourth proportional to 203,706.49, 281,092.16 and 113,066.28 is: 156,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,706.49 : 281,092.16 = 113,066.28 : x
  2. Step 2: Convert to fraction form
    203,706.49/281,092.16 = 113,066.28/x
  3. Step 3: Cross multiply
    203,706.49x = 281,092.16 × 113,066.28
  4. Step 4: Simplify right side
    203,706.49x = 31,782,042,897.57
  5. Step 5: Solve for x
    x = 31,782,042,897.57/203,706.49
  6. Step 6: Final answer
    x = 156,018.80

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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.