Home / 356,111.97-491,435.95-194,982.02

Finding the Fourth Proportional to 356,111.97, 491,435.95 and 194,982.02

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Solution

The fourth proportional to 356,111.97, 491,435.95 and 194,982.02 is: 269,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,111.97 : 491,435.95 = 194,982.02 : x
  2. Step 2: Convert to fraction form
    356,111.97/491,435.95 = 194,982.02/x
  3. Step 3: Cross multiply
    356,111.97x = 491,435.95 × 194,982.02
  4. Step 4: Simplify right side
    356,111.97x = 95,821,174,231.62
  5. Step 5: Solve for x
    x = 95,821,174,231.62/356,111.97
  6. Step 6: Final answer
    x = 269,075.97

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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.