Home / 198,782.24-298,109.78-65,637.68

Finding the Fourth Proportional to 198,782.24, 298,109.78 and 65,637.68

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Solution

The fourth proportional to 198,782.24, 298,109.78 and 65,637.68 is: 98,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782.24 : 298,109.78 = 65,637.68 : x
  2. Step 2: Convert to fraction form
    198,782.24/298,109.78 = 65,637.68/x
  3. Step 3: Cross multiply
    198,782.24x = 298,109.78 × 65,637.68
  4. Step 4: Simplify right side
    198,782.24x = 19,567,234,761.60
  5. Step 5: Solve for x
    x = 19,567,234,761.60/198,782.24
  6. Step 6: Final answer
    x = 98,435.53

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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.