Home / 169,815.91-234,348.39-93,342.09

Finding the Fourth Proportional to 169,815.91, 234,348.39 and 93,342.09

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Solution

The fourth proportional to 169,815.91, 234,348.39 and 93,342.09 is: 128,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,815.91 : 234,348.39 = 93,342.09 : x
  2. Step 2: Convert to fraction form
    169,815.91/234,348.39 = 93,342.09/x
  3. Step 3: Cross multiply
    169,815.91x = 234,348.39 × 93,342.09
  4. Step 4: Simplify right side
    169,815.91x = 21,874,568,510.74
  5. Step 5: Solve for x
    x = 21,874,568,510.74/169,815.91
  6. Step 6: Final answer
    x = 128,813.42

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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.