Home / 199,585.20-298,974.60-124,474.80

Finding the Fourth Proportional to 199,585.20, 298,974.60 and 124,474.80

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Solution

The fourth proportional to 199,585.20, 298,974.60 and 124,474.80 is: 186,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,585.20 : 298,974.60 = 124,474.80 : x
  2. Step 2: Convert to fraction form
    199,585.20/298,974.60 = 124,474.80/x
  3. Step 3: Cross multiply
    199,585.20x = 298,974.60 × 124,474.80
  4. Step 4: Simplify right side
    199,585.20x = 37,214,803,540.08
  5. Step 5: Solve for x
    x = 37,214,803,540.08/199,585.20
  6. Step 6: Final answer
    x = 186,460.74

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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.