Home / 202,487.18-303,729.35-67,561.83

Finding the Fourth Proportional to 202,487.18, 303,729.35 and 67,561.83

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Solution

The fourth proportional to 202,487.18, 303,729.35 and 67,561.83 is: 101,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,487.18 : 303,729.35 = 67,561.83 : x
  2. Step 2: Convert to fraction form
    202,487.18/303,729.35 = 67,561.83/x
  3. Step 3: Cross multiply
    202,487.18x = 303,729.35 × 67,561.83
  4. Step 4: Simplify right side
    202,487.18x = 20,520,510,372.90
  5. Step 5: Solve for x
    x = 20,520,510,372.90/202,487.18
  6. Step 6: Final answer
    x = 101,342.27

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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.