Home / 199,544.20-298,913.10-124,433.80

Finding the Fourth Proportional to 199,544.20, 298,913.10 and 124,433.80

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Solution

The fourth proportional to 199,544.20, 298,913.10 and 124,433.80 is: 186,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544.20 : 298,913.10 = 124,433.80 : x
  2. Step 2: Convert to fraction form
    199,544.20/298,913.10 = 124,433.80/x
  3. Step 3: Cross multiply
    199,544.20x = 298,913.10 × 124,433.80
  4. Step 4: Simplify right side
    199,544.20x = 37,194,892,902.78
  5. Step 5: Solve for x
    x = 37,194,892,902.78/199,544.20
  6. Step 6: Final answer
    x = 186,399.27

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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.