Home / 198,756.24-298,163.91-65,650.56

Finding the Fourth Proportional to 198,756.24, 298,163.91 and 65,650.56

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Solution

The fourth proportional to 198,756.24, 298,163.91 and 65,650.56 is: 98,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,756.24 : 298,163.91 = 65,650.56 : x
  2. Step 2: Convert to fraction form
    198,756.24/298,163.91 = 65,650.56/x
  3. Step 3: Cross multiply
    198,756.24x = 298,163.91 × 65,650.56
  4. Step 4: Simplify right side
    198,756.24x = 19,574,627,663.29
  5. Step 5: Solve for x
    x = 19,574,627,663.29/198,756.24
  6. Step 6: Final answer
    x = 98,485.60

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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.