Home / 200,107.71-276,155.23-109,461.61

Finding the Fourth Proportional to 200,107.71, 276,155.23 and 109,461.61

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Solution

The fourth proportional to 200,107.71, 276,155.23 and 109,461.61 is: 151,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,107.71 : 276,155.23 = 109,461.61 : x
  2. Step 2: Convert to fraction form
    200,107.71/276,155.23 = 109,461.61/x
  3. Step 3: Cross multiply
    200,107.71x = 276,155.23 × 109,461.61
  4. Step 4: Simplify right side
    200,107.71x = 30,228,394,809.13
  5. Step 5: Solve for x
    x = 30,228,394,809.13/200,107.71
  6. Step 6: Final answer
    x = 151,060.62

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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.