Home / 220,249.08-303,942.06-119,647.80

Finding the Fourth Proportional to 220,249.08, 303,942.06 and 119,647.80

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Solution

The fourth proportional to 220,249.08, 303,942.06 and 119,647.80 is: 165,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,249.08 : 303,942.06 = 119,647.80 : x
  2. Step 2: Convert to fraction form
    220,249.08/303,942.06 = 119,647.80/x
  3. Step 3: Cross multiply
    220,249.08x = 303,942.06 × 119,647.80
  4. Step 4: Simplify right side
    220,249.08x = 36,365,998,806.47
  5. Step 5: Solve for x
    x = 36,365,998,806.47/220,249.08
  6. Step 6: Final answer
    x = 165,113.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.