Home / 220,116.50-303,768.27-123,324.43

Finding the Fourth Proportional to 220,116.50, 303,768.27 and 123,324.43

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Solution

The fourth proportional to 220,116.50, 303,768.27 and 123,324.43 is: 170,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,116.50 : 303,768.27 = 123,324.43 : x
  2. Step 2: Convert to fraction form
    220,116.50/303,768.27 = 123,324.43/x
  3. Step 3: Cross multiply
    220,116.50x = 303,768.27 × 123,324.43
  4. Step 4: Simplify right side
    220,116.50x = 37,462,048,749.84
  5. Step 5: Solve for x
    x = 37,462,048,749.84/220,116.50
  6. Step 6: Final answer
    x = 170,191.92

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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.