Home / 135,003.28-202,578.04-56,171.92

Finding the Fourth Proportional to 135,003.28, 202,578.04 and 56,171.92

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Solution

The fourth proportional to 135,003.28, 202,578.04 and 56,171.92 is: 84,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003.28 : 202,578.04 = 56,171.92 : x
  2. Step 2: Convert to fraction form
    135,003.28/202,578.04 = 56,171.92/x
  3. Step 3: Cross multiply
    135,003.28x = 202,578.04 × 56,171.92
  4. Step 4: Simplify right side
    135,003.28x = 11,379,197,456.64
  5. Step 5: Solve for x
    x = 11,379,197,456.64/135,003.28
  6. Step 6: Final answer
    x = 84,288.30

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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.