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Finding the Fourth Proportional to 220,190.46, 303,864.39 and 119,588.46

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Solution

The fourth proportional to 220,190.46, 303,864.39 and 119,588.46 is: 165,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,190.46 : 303,864.39 = 119,588.46 : x
  2. Step 2: Convert to fraction form
    220,190.46/303,864.39 = 119,588.46/x
  3. Step 3: Cross multiply
    220,190.46x = 303,864.39 × 119,588.46
  4. Step 4: Simplify right side
    220,190.46x = 36,338,674,448.94
  5. Step 5: Solve for x
    x = 36,338,674,448.94/220,190.46
  6. Step 6: Final answer
    x = 165,032.92

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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.