Home / 199,097.20-298,645.80-177,324.40

Finding the Fourth Proportional to 199,097.20, 298,645.80 and 177,324.40

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Solution

The fourth proportional to 199,097.20, 298,645.80 and 177,324.40 is: 265,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,097.20 : 298,645.80 = 177,324.40 : x
  2. Step 2: Convert to fraction form
    199,097.20/298,645.80 = 177,324.40/x
  3. Step 3: Cross multiply
    199,097.20x = 298,645.80 × 177,324.40
  4. Step 4: Simplify right side
    199,097.20x = 52,957,187,297.52
  5. Step 5: Solve for x
    x = 52,957,187,297.52/199,097.20
  6. Step 6: Final answer
    x = 265,986.60

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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.