Home / 204,852.29-307,267.49-78,553.04

Finding the Fourth Proportional to 204,852.29, 307,267.49 and 78,553.04

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Solution

The fourth proportional to 204,852.29, 307,267.49 and 78,553.04 is: 117,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,852.29 : 307,267.49 = 78,553.04 : x
  2. Step 2: Convert to fraction form
    204,852.29/307,267.49 = 78,553.04/x
  3. Step 3: Cross multiply
    204,852.29x = 307,267.49 × 78,553.04
  4. Step 4: Simplify right side
    204,852.29x = 24,136,794,092.71
  5. Step 5: Solve for x
    x = 24,136,794,092.71/204,852.29
  6. Step 6: Final answer
    x = 117,825.36

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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.