Home / 200,122.44-276,171.15-109,476.46

Finding the Fourth Proportional to 200,122.44, 276,171.15 and 109,476.46

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Solution

The fourth proportional to 200,122.44, 276,171.15 and 109,476.46 is: 151,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,122.44 : 276,171.15 = 109,476.46 : x
  2. Step 2: Convert to fraction form
    200,122.44/276,171.15 = 109,476.46/x
  3. Step 3: Cross multiply
    200,122.44x = 276,171.15 × 109,476.46
  4. Step 4: Simplify right side
    200,122.44x = 30,234,237,927.89
  5. Step 5: Solve for x
    x = 30,234,237,927.89/200,122.44
  6. Step 6: Final answer
    x = 151,078.70

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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.