Home / 213,136.03-294,109.09-136,519.96

Finding the Fourth Proportional to 213,136.03, 294,109.09 and 136,519.96

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Solution

The fourth proportional to 213,136.03, 294,109.09 and 136,519.96 is: 188,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.03 : 294,109.09 = 136,519.96 : x
  2. Step 2: Convert to fraction form
    213,136.03/294,109.09 = 136,519.96/x
  3. Step 3: Cross multiply
    213,136.03x = 294,109.09 × 136,519.96
  4. Step 4: Simplify right side
    213,136.03x = 40,151,761,202.44
  5. Step 5: Solve for x
    x = 40,151,761,202.44/213,136.03
  6. Step 6: Final answer
    x = 188,385.61

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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.