Home / 200,064.27-276,078.45-109,402.62

Finding the Fourth Proportional to 200,064.27, 276,078.45 and 109,402.62

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Solution

The fourth proportional to 200,064.27, 276,078.45 and 109,402.62 is: 150,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,064.27 : 276,078.45 = 109,402.62 : x
  2. Step 2: Convert to fraction form
    200,064.27/276,078.45 = 109,402.62/x
  3. Step 3: Cross multiply
    200,064.27x = 276,078.45 × 109,402.62
  4. Step 4: Simplify right side
    200,064.27x = 30,203,705,755.54
  5. Step 5: Solve for x
    x = 30,203,705,755.54/200,064.27
  6. Step 6: Final answer
    x = 150,970.01

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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.