Home / 200,028.54-276,039.38-109,384.57

Finding the Fourth Proportional to 200,028.54, 276,039.38 and 109,384.57

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Solution

The fourth proportional to 200,028.54, 276,039.38 and 109,384.57 is: 150,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,028.54 : 276,039.38 = 109,384.57 : x
  2. Step 2: Convert to fraction form
    200,028.54/276,039.38 = 109,384.57/x
  3. Step 3: Cross multiply
    200,028.54x = 276,039.38 × 109,384.57
  4. Step 4: Simplify right side
    200,028.54x = 30,194,449,154.96
  5. Step 5: Solve for x
    x = 30,194,449,154.96/200,028.54
  6. Step 6: Final answer
    x = 150,950.70

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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.