Home / 165,287.97-228,102.21-93,665.61

Finding the Fourth Proportional to 165,287.97, 228,102.21 and 93,665.61

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Solution

The fourth proportional to 165,287.97, 228,102.21 and 93,665.61 is: 129,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,287.97 : 228,102.21 = 93,665.61 : x
  2. Step 2: Convert to fraction form
    165,287.97/228,102.21 = 93,665.61/x
  3. Step 3: Cross multiply
    165,287.97x = 228,102.21 × 93,665.61
  4. Step 4: Simplify right side
    165,287.97x = 21,365,332,642.00
  5. Step 5: Solve for x
    x = 21,365,332,642.00/165,287.97
  6. Step 6: Final answer
    x = 129,261.27

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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.