Home / 351,538.20-485,152.56-198,604.44

Finding the Fourth Proportional to 351,538.20, 485,152.56 and 198,604.44

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Solution

The fourth proportional to 351,538.20, 485,152.56 and 198,604.44 is: 274,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,538.20 : 485,152.56 = 198,604.44 : x
  2. Step 2: Convert to fraction form
    351,538.20/485,152.56 = 198,604.44/x
  3. Step 3: Cross multiply
    351,538.20x = 485,152.56 × 198,604.44
  4. Step 4: Simplify right side
    351,538.20x = 96,353,452,493.37
  5. Step 5: Solve for x
    x = 96,353,452,493.37/351,538.20
  6. Step 6: Final answer
    x = 274,090.99

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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.