Home / 188,212.02-259,732.79-102,170.96

Finding the Fourth Proportional to 188,212.02, 259,732.79 and 102,170.96

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Solution

The fourth proportional to 188,212.02, 259,732.79 and 102,170.96 is: 140,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,212.02 : 259,732.79 = 102,170.96 : x
  2. Step 2: Convert to fraction form
    188,212.02/259,732.79 = 102,170.96/x
  3. Step 3: Cross multiply
    188,212.02x = 259,732.79 × 102,170.96
  4. Step 4: Simplify right side
    188,212.02x = 26,537,146,688.26
  5. Step 5: Solve for x
    x = 26,537,146,688.26/188,212.02
  6. Step 6: Final answer
    x = 140,996.03

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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.