Home / 198,882.22-298,313.61-74,213.50

Finding the Fourth Proportional to 198,882.22, 298,313.61 and 74,213.50

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Solution

The fourth proportional to 198,882.22, 298,313.61 and 74,213.50 is: 111,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,882.22 : 298,313.61 = 74,213.50 : x
  2. Step 2: Convert to fraction form
    198,882.22/298,313.61 = 74,213.50/x
  3. Step 3: Cross multiply
    198,882.22x = 298,313.61 × 74,213.50
  4. Step 4: Simplify right side
    198,882.22x = 22,138,897,095.74
  5. Step 5: Solve for x
    x = 22,138,897,095.74/198,882.22
  6. Step 6: Final answer
    x = 111,316.62

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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.