Home / 220,370.69-303,685.20-148,626.16

Finding the Fourth Proportional to 220,370.69, 303,685.20 and 148,626.16

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Solution

The fourth proportional to 220,370.69, 303,685.20 and 148,626.16 is: 204,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370.69 : 303,685.20 = 148,626.16 : x
  2. Step 2: Convert to fraction form
    220,370.69/303,685.20 = 148,626.16/x
  3. Step 3: Cross multiply
    220,370.69x = 303,685.20 × 148,626.16
  4. Step 4: Simplify right side
    220,370.69x = 45,135,564,365.62
  5. Step 5: Solve for x
    x = 45,135,564,365.62/220,370.69
  6. Step 6: Final answer
    x = 204,816.55

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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.