Home / 356,231.48-491,601-195,087.64

Finding the Fourth Proportional to 356,231.48, 491,601 and 195,087.64

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Solution

The fourth proportional to 356,231.48, 491,601 and 195,087.64 is: 269,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,231.48 : 491,601 = 195,087.64 : x
  2. Step 2: Convert to fraction form
    356,231.48/491,601 = 195,087.64/x
  3. Step 3: Cross multiply
    356,231.48x = 491,601 × 195,087.64
  4. Step 4: Simplify right side
    356,231.48x = 95,905,278,911.64
  5. Step 5: Solve for x
    x = 95,905,278,911.64/356,231.48
  6. Step 6: Final answer
    x = 269,221.80

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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.