Home / 195,511.28-269,783.27-109,458.30

Finding the Fourth Proportional to 195,511.28, 269,783.27 and 109,458.30

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Solution

The fourth proportional to 195,511.28, 269,783.27 and 109,458.30 is: 151,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,511.28 : 269,783.27 = 109,458.30 : x
  2. Step 2: Convert to fraction form
    195,511.28/269,783.27 = 109,458.30/x
  3. Step 3: Cross multiply
    195,511.28x = 269,783.27 × 109,458.30
  4. Step 4: Simplify right side
    195,511.28x = 29,530,017,965.82
  5. Step 5: Solve for x
    x = 29,530,017,965.82/195,511.28
  6. Step 6: Final answer
    x = 151,039.97

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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.