Home / 200,229.32-276,289.17-119,639.81

Finding the Fourth Proportional to 200,229.32, 276,289.17 and 119,639.81

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Solution

The fourth proportional to 200,229.32, 276,289.17 and 119,639.81 is: 165,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,229.32 : 276,289.17 = 119,639.81 : x
  2. Step 2: Convert to fraction form
    200,229.32/276,289.17 = 119,639.81/x
  3. Step 3: Cross multiply
    200,229.32x = 276,289.17 × 119,639.81
  4. Step 4: Simplify right side
    200,229.32x = 33,055,183,803.86
  5. Step 5: Solve for x
    x = 33,055,183,803.86/200,229.32
  6. Step 6: Final answer
    x = 165,086.63

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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.