Home / 199,076.20-298,211.10-123,965.80

Finding the Fourth Proportional to 199,076.20, 298,211.10 and 123,965.80

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Solution

The fourth proportional to 199,076.20, 298,211.10 and 123,965.80 is: 185,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,076.20 : 298,211.10 = 123,965.80 : x
  2. Step 2: Convert to fraction form
    199,076.20/298,211.10 = 123,965.80/x
  3. Step 3: Cross multiply
    199,076.20x = 298,211.10 × 123,965.80
  4. Step 4: Simplify right side
    199,076.20x = 36,967,977,580.38
  5. Step 5: Solve for x
    x = 36,967,977,580.38/199,076.20
  6. Step 6: Final answer
    x = 185,697.63

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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.