Home / 256,727.50-354,286.17-143,550.25

Finding the Fourth Proportional to 256,727.50, 354,286.17 and 143,550.25

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Solution

The fourth proportional to 256,727.50, 354,286.17 and 143,550.25 is: 198,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,727.50 : 354,286.17 = 143,550.25 : x
  2. Step 2: Convert to fraction form
    256,727.50/354,286.17 = 143,550.25/x
  3. Step 3: Cross multiply
    256,727.50x = 354,286.17 × 143,550.25
  4. Step 4: Simplify right side
    256,727.50x = 50,857,867,389.33
  5. Step 5: Solve for x
    x = 50,857,867,389.33/256,727.50
  6. Step 6: Final answer
    x = 198,100.58

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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.