Home / 203,694.17-281,131.76-118,811.26

Finding the Fourth Proportional to 203,694.17, 281,131.76 and 118,811.26

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Solution

The fourth proportional to 203,694.17, 281,131.76 and 118,811.26 is: 163,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,694.17 : 281,131.76 = 118,811.26 : x
  2. Step 2: Convert to fraction form
    203,694.17/281,131.76 = 118,811.26/x
  3. Step 3: Cross multiply
    203,694.17x = 281,131.76 × 118,811.26
  4. Step 4: Simplify right side
    203,694.17x = 33,401,618,631.62
  5. Step 5: Solve for x
    x = 33,401,618,631.62/203,694.17
  6. Step 6: Final answer
    x = 163,979.26

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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.