Home / 200,426.58-276,634.20-124,960.50

Finding the Fourth Proportional to 200,426.58, 276,634.20 and 124,960.50

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Solution

The fourth proportional to 200,426.58, 276,634.20 and 124,960.50 is: 172,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,426.58 : 276,634.20 = 124,960.50 : x
  2. Step 2: Convert to fraction form
    200,426.58/276,634.20 = 124,960.50/x
  3. Step 3: Cross multiply
    200,426.58x = 276,634.20 × 124,960.50
  4. Step 4: Simplify right side
    200,426.58x = 34,568,347,949.10
  5. Step 5: Solve for x
    x = 34,568,347,949.10/200,426.58
  6. Step 6: Final answer
    x = 172,473.87

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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.