Home / 116,481.82-160,522.52-100,344.06

Finding the Fourth Proportional to 116,481.82, 160,522.52 and 100,344.06

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Solution

The fourth proportional to 116,481.82, 160,522.52 and 100,344.06 is: 138,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,481.82 : 160,522.52 = 100,344.06 : x
  2. Step 2: Convert to fraction form
    116,481.82/160,522.52 = 100,344.06/x
  3. Step 3: Cross multiply
    116,481.82x = 160,522.52 × 100,344.06
  4. Step 4: Simplify right side
    116,481.82x = 16,107,481,378.23
  5. Step 5: Solve for x
    x = 16,107,481,378.23/116,481.82
  6. Step 6: Final answer
    x = 138,283.22

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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.