Home / 279,091.62-385,256.00-197,844.54

Finding the Fourth Proportional to 279,091.62, 385,256.00 and 197,844.54

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Solution

The fourth proportional to 279,091.62, 385,256.00 and 197,844.54 is: 273,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,091.62 : 385,256.00 = 197,844.54 : x
  2. Step 2: Convert to fraction form
    279,091.62/385,256.00 = 197,844.54/x
  3. Step 3: Cross multiply
    279,091.62x = 385,256.00 × 197,844.54
  4. Step 4: Simplify right side
    279,091.62x = 76,220,795,113.02
  5. Step 5: Solve for x
    x = 76,220,795,113.02/279,091.62
  6. Step 6: Final answer
    x = 273,103.13

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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.