Home / 202,221.15-303,331.73-69,069.30

Finding the Fourth Proportional to 202,221.15, 303,331.73 and 69,069.30

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Solution

The fourth proportional to 202,221.15, 303,331.73 and 69,069.30 is: 103,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,221.15 : 303,331.73 = 69,069.30 : x
  2. Step 2: Convert to fraction form
    202,221.15/303,331.73 = 69,069.30/x
  3. Step 3: Cross multiply
    202,221.15x = 303,331.73 × 69,069.30
  4. Step 4: Simplify right side
    202,221.15x = 20,950,910,258.89
  5. Step 5: Solve for x
    x = 20,950,910,258.89/202,221.15
  6. Step 6: Final answer
    x = 103,603.95

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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.