Home / 198,674.22-298,048.05-65,563.74

Finding the Fourth Proportional to 198,674.22, 298,048.05 and 65,563.74

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Solution

The fourth proportional to 198,674.22, 298,048.05 and 65,563.74 is: 98,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,674.22 : 298,048.05 = 65,563.74 : x
  2. Step 2: Convert to fraction form
    198,674.22/298,048.05 = 65,563.74/x
  3. Step 3: Cross multiply
    198,674.22x = 298,048.05 × 65,563.74
  4. Step 4: Simplify right side
    198,674.22x = 19,541,144,857.71
  5. Step 5: Solve for x
    x = 19,541,144,857.71/198,674.22
  6. Step 6: Final answer
    x = 98,357.73

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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.