Home / 274,680.04-379,096.86-198,445.84

Finding the Fourth Proportional to 274,680.04, 379,096.86 and 198,445.84

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Solution

The fourth proportional to 274,680.04, 379,096.86 and 198,445.84 is: 273,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,680.04 : 379,096.86 = 198,445.84 : x
  2. Step 2: Convert to fraction form
    274,680.04/379,096.86 = 198,445.84/x
  3. Step 3: Cross multiply
    274,680.04x = 379,096.86 × 198,445.84
  4. Step 4: Simplify right side
    274,680.04x = 75,230,194,824.06
  5. Step 5: Solve for x
    x = 75,230,194,824.06/274,680.04
  6. Step 6: Final answer
    x = 273,883.01

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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.