Home / 275,211.27-379,616.73-198,842.58

Finding the Fourth Proportional to 275,211.27, 379,616.73 and 198,842.58

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Solution

The fourth proportional to 275,211.27, 379,616.73 and 198,842.58 is: 274,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,211.27 : 379,616.73 = 198,842.58 : x
  2. Step 2: Convert to fraction form
    275,211.27/379,616.73 = 198,842.58/x
  3. Step 3: Cross multiply
    275,211.27x = 379,616.73 × 198,842.58
  4. Step 4: Simplify right side
    275,211.27x = 75,483,970,004.36
  5. Step 5: Solve for x
    x = 75,483,970,004.36/275,211.27
  6. Step 6: Final answer
    x = 274,276.45

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1.5x scale

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.