Home / 200,218.57-276,297.92-109,572.71

Finding the Fourth Proportional to 200,218.57, 276,297.92 and 109,572.71

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Solution

The fourth proportional to 200,218.57, 276,297.92 and 109,572.71 is: 151,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,218.57 : 276,297.92 = 109,572.71 : x
  2. Step 2: Convert to fraction form
    200,218.57/276,297.92 = 109,572.71/x
  3. Step 3: Cross multiply
    200,218.57x = 276,297.92 × 109,572.71
  4. Step 4: Simplify right side
    200,218.57x = 30,274,711,861.76
  5. Step 5: Solve for x
    x = 30,274,711,861.76/200,218.57
  6. Step 6: Final answer
    x = 151,208.32

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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.