Home / 165,912.46-228,959.42-90,460.96

Finding the Fourth Proportional to 165,912.46, 228,959.42 and 90,460.96

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Solution

The fourth proportional to 165,912.46, 228,959.42 and 90,460.96 is: 124,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912.46 : 228,959.42 = 90,460.96 : x
  2. Step 2: Convert to fraction form
    165,912.46/228,959.42 = 90,460.96/x
  3. Step 3: Cross multiply
    165,912.46x = 228,959.42 × 90,460.96
  4. Step 4: Simplify right side
    165,912.46x = 20,711,888,934.24
  5. Step 5: Solve for x
    x = 20,711,888,934.24/165,912.46
  6. Step 6: Final answer
    x = 124,836.25

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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.