Home / 356,347.81-491,760.07-195,208.59

Finding the Fourth Proportional to 356,347.81, 491,760.07 and 195,208.59

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Solution

The fourth proportional to 356,347.81, 491,760.07 and 195,208.59 is: 269,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,347.81 : 491,760.07 = 195,208.59 : x
  2. Step 2: Convert to fraction form
    356,347.81/491,760.07 = 195,208.59/x
  3. Step 3: Cross multiply
    356,347.81x = 491,760.07 × 195,208.59
  4. Step 4: Simplify right side
    356,347.81x = 95,995,789,299.97
  5. Step 5: Solve for x
    x = 95,995,789,299.97/356,347.81
  6. Step 6: Final answer
    x = 269,387.90

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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.