Home / 269,510.70-404,266.05-82,521.90

Finding the Fourth Proportional to 269,510.70, 404,266.05 and 82,521.90

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Solution

The fourth proportional to 269,510.70, 404,266.05 and 82,521.90 is: 123,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510.70 : 404,266.05 = 82,521.90 : x
  2. Step 2: Convert to fraction form
    269,510.70/404,266.05 = 82,521.90/x
  3. Step 3: Cross multiply
    269,510.70x = 404,266.05 × 82,521.90
  4. Step 4: Simplify right side
    269,510.70x = 33,360,802,551.50
  5. Step 5: Solve for x
    x = 33,360,802,551.50/269,510.70
  6. Step 6: Final answer
    x = 123,782.85

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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.