Home / 269,115.35-403,727.70-91,640.30

Finding the Fourth Proportional to 269,115.35, 403,727.70 and 91,640.30

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Solution

The fourth proportional to 269,115.35, 403,727.70 and 91,640.30 is: 137,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,115.35 : 403,727.70 = 91,640.30 : x
  2. Step 2: Convert to fraction form
    269,115.35/403,727.70 = 91,640.30/x
  3. Step 3: Cross multiply
    269,115.35x = 403,727.70 × 91,640.30
  4. Step 4: Simplify right side
    269,115.35x = 36,997,727,546.31
  5. Step 5: Solve for x
    x = 36,997,727,546.31/269,115.35
  6. Step 6: Final answer
    x = 137,479.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.