Home / 196,198.50-270,849.93-131,644.64

Finding the Fourth Proportional to 196,198.50, 270,849.93 and 131,644.64

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Solution

The fourth proportional to 196,198.50, 270,849.93 and 131,644.64 is: 181,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,198.50 : 270,849.93 = 131,644.64 : x
  2. Step 2: Convert to fraction form
    196,198.50/270,849.93 = 131,644.64/x
  3. Step 3: Cross multiply
    196,198.50x = 270,849.93 × 131,644.64
  4. Step 4: Simplify right side
    196,198.50x = 35,655,941,712.33
  5. Step 5: Solve for x
    x = 35,655,941,712.33/196,198.50
  6. Step 6: Final answer
    x = 181,734.01

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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.