Home / 200,194.71-276,256.86-109,532.61

Finding the Fourth Proportional to 200,194.71, 276,256.86 and 109,532.61

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Solution

The fourth proportional to 200,194.71, 276,256.86 and 109,532.61 is: 151,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,194.71 : 276,256.86 = 109,532.61 : x
  2. Step 2: Convert to fraction form
    200,194.71/276,256.86 = 109,532.61/x
  3. Step 3: Cross multiply
    200,194.71x = 276,256.86 × 109,532.61
  4. Step 4: Simplify right side
    200,194.71x = 30,259,134,906.20
  5. Step 5: Solve for x
    x = 30,259,134,906.20/200,194.71
  6. Step 6: Final answer
    x = 151,148.52

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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.