Home / 199,290.78-298,796.04-92,561.43

Finding the Fourth Proportional to 199,290.78, 298,796.04 and 92,561.43

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Solution

The fourth proportional to 199,290.78, 298,796.04 and 92,561.43 is: 138,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290.78 : 298,796.04 = 92,561.43 : x
  2. Step 2: Convert to fraction form
    199,290.78/298,796.04 = 92,561.43/x
  3. Step 3: Cross multiply
    199,290.78x = 298,796.04 × 92,561.43
  4. Step 4: Simplify right side
    199,290.78x = 27,656,989,861.22
  5. Step 5: Solve for x
    x = 27,656,989,861.22/199,290.78
  6. Step 6: Final answer
    x = 138,777.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.