Home / 168,020.84-231,653.54-137,694.44

Finding the Fourth Proportional to 168,020.84, 231,653.54 and 137,694.44

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Solution

The fourth proportional to 168,020.84, 231,653.54 and 137,694.44 is: 189,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,020.84 : 231,653.54 = 137,694.44 : x
  2. Step 2: Convert to fraction form
    168,020.84/231,653.54 = 137,694.44/x
  3. Step 3: Cross multiply
    168,020.84x = 231,653.54 × 137,694.44
  4. Step 4: Simplify right side
    168,020.84x = 31,897,404,464.32
  5. Step 5: Solve for x
    x = 31,897,404,464.32/168,020.84
  6. Step 6: Final answer
    x = 189,841.95

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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.