Home / 228,766.20-315,693.57-126,791.34

Finding the Fourth Proportional to 228,766.20, 315,693.57 and 126,791.34

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Solution

The fourth proportional to 228,766.20, 315,693.57 and 126,791.34 is: 174,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,766.20 : 315,693.57 = 126,791.34 : x
  2. Step 2: Convert to fraction form
    228,766.20/315,693.57 = 126,791.34/x
  3. Step 3: Cross multiply
    228,766.20x = 315,693.57 × 126,791.34
  4. Step 4: Simplify right side
    228,766.20x = 40,027,210,769.68
  5. Step 5: Solve for x
    x = 40,027,210,769.68/228,766.20
  6. Step 6: Final answer
    x = 174,969.95

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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.