Home / 199,367.20-298,647.60-124,256.80

Finding the Fourth Proportional to 199,367.20, 298,647.60 and 124,256.80

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Solution

The fourth proportional to 199,367.20, 298,647.60 and 124,256.80 is: 186,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,367.20 : 298,647.60 = 124,256.80 : x
  2. Step 2: Convert to fraction form
    199,367.20/298,647.60 = 124,256.80/x
  3. Step 3: Cross multiply
    199,367.20x = 298,647.60 × 124,256.80
  4. Step 4: Simplify right side
    199,367.20x = 37,108,995,103.68
  5. Step 5: Solve for x
    x = 37,108,995,103.68/199,367.20
  6. Step 6: Final answer
    x = 186,133.90

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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.