Home / 165,290.97-228,106.35-93,668.61

Finding the Fourth Proportional to 165,290.97, 228,106.35 and 93,668.61

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Solution

The fourth proportional to 165,290.97, 228,106.35 and 93,668.61 is: 129,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,290.97 : 228,106.35 = 93,668.61 : x
  2. Step 2: Convert to fraction form
    165,290.97/228,106.35 = 93,668.61/x
  3. Step 3: Cross multiply
    165,290.97x = 228,106.35 × 93,668.61
  4. Step 4: Simplify right side
    165,290.97x = 21,366,404,736.67
  5. Step 5: Solve for x
    x = 21,366,404,736.67/165,290.97
  6. Step 6: Final answer
    x = 129,265.41

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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.