Home / 200,055.06-276,083.10-109,405.62

Finding the Fourth Proportional to 200,055.06, 276,083.10 and 109,405.62

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Solution

The fourth proportional to 200,055.06, 276,083.10 and 109,405.62 is: 150,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,055.06 : 276,083.10 = 109,405.62 : x
  2. Step 2: Convert to fraction form
    200,055.06/276,083.10 = 109,405.62/x
  3. Step 3: Cross multiply
    200,055.06x = 276,083.10 × 109,405.62
  4. Step 4: Simplify right side
    200,055.06x = 30,205,042,727.02
  5. Step 5: Solve for x
    x = 30,205,042,727.02/200,055.06
  6. Step 6: Final answer
    x = 150,983.65

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1.5x scale

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.