Home / 200,489.76-276,675.66-109,851.36

Finding the Fourth Proportional to 200,489.76, 276,675.66 and 109,851.36

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Solution

The fourth proportional to 200,489.76, 276,675.66 and 109,851.36 is: 151,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,489.76 : 276,675.66 = 109,851.36 : x
  2. Step 2: Convert to fraction form
    200,489.76/276,675.66 = 109,851.36/x
  3. Step 3: Cross multiply
    200,489.76x = 276,675.66 × 109,851.36
  4. Step 4: Simplify right side
    200,489.76x = 30,393,197,529.90
  5. Step 5: Solve for x
    x = 30,393,197,529.90/200,489.76
  6. Step 6: Final answer
    x = 151,594.76

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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.