Home / 172,961.69-238,596.30-140,732.33

Finding the Fourth Proportional to 172,961.69, 238,596.30 and 140,732.33

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Solution

The fourth proportional to 172,961.69, 238,596.30 and 140,732.33 is: 194,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,961.69 : 238,596.30 = 140,732.33 : x
  2. Step 2: Convert to fraction form
    172,961.69/238,596.30 = 140,732.33/x
  3. Step 3: Cross multiply
    172,961.69x = 238,596.30 × 140,732.33
  4. Step 4: Simplify right side
    172,961.69x = 33,578,212,035.40
  5. Step 5: Solve for x
    x = 33,578,212,035.40/172,961.69
  6. Step 6: Final answer
    x = 194,136.71

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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.