Home / 199,601.20-298,998.60-124,490.80

Finding the Fourth Proportional to 199,601.20, 298,998.60 and 124,490.80

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Solution

The fourth proportional to 199,601.20, 298,998.60 and 124,490.80 is: 186,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,601.20 : 298,998.60 = 124,490.80 : x
  2. Step 2: Convert to fraction form
    199,601.20/298,998.60 = 124,490.80/x
  3. Step 3: Cross multiply
    199,601.20x = 298,998.60 × 124,490.80
  4. Step 4: Simplify right side
    199,601.20x = 37,222,574,912.88
  5. Step 5: Solve for x
    x = 37,222,574,912.88/199,601.20
  6. Step 6: Final answer
    x = 186,484.73

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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.