Home / 199,072.76-298,511.94-86,847.80

Finding the Fourth Proportional to 199,072.76, 298,511.94 and 86,847.80

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Solution

The fourth proportional to 199,072.76, 298,511.94 and 86,847.80 is: 130,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,072.76 : 298,511.94 = 86,847.80 : x
  2. Step 2: Convert to fraction form
    199,072.76/298,511.94 = 86,847.80/x
  3. Step 3: Cross multiply
    199,072.76x = 298,511.94 × 86,847.80
  4. Step 4: Simplify right side
    199,072.76x = 25,925,105,262.73
  5. Step 5: Solve for x
    x = 25,925,105,262.73/199,072.76
  6. Step 6: Final answer
    x = 130,229.30

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1.5x scale

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.