Home / 356,311.40-491,709.94-195,169.14

Finding the Fourth Proportional to 356,311.40, 491,709.94 and 195,169.14

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Solution

The fourth proportional to 356,311.40, 491,709.94 and 195,169.14 is: 269,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,311.40 : 491,709.94 = 195,169.14 : x
  2. Step 2: Convert to fraction form
    356,311.40/491,709.94 = 195,169.14/x
  3. Step 3: Cross multiply
    356,311.40x = 491,709.94 × 195,169.14
  4. Step 4: Simplify right side
    356,311.40x = 95,966,605,631.33
  5. Step 5: Solve for x
    x = 95,966,605,631.33/356,311.40
  6. Step 6: Final answer
    x = 269,333.53

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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.