Home / 152,705.25-228,979.62-80,696.88

Finding the Fourth Proportional to 152,705.25, 228,979.62 and 80,696.88

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Solution

The fourth proportional to 152,705.25, 228,979.62 and 80,696.88 is: 121,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,705.25 : 228,979.62 = 80,696.88 : x
  2. Step 2: Convert to fraction form
    152,705.25/228,979.62 = 80,696.88/x
  3. Step 3: Cross multiply
    152,705.25x = 228,979.62 × 80,696.88
  4. Step 4: Simplify right side
    152,705.25x = 18,477,940,917.59
  5. Step 5: Solve for x
    x = 18,477,940,917.59/152,705.25
  6. Step 6: Final answer
    x = 121,003.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.