Home / 172,672.08-259,008.12-83,849.46

Finding the Fourth Proportional to 172,672.08, 259,008.12 and 83,849.46

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Solution

The fourth proportional to 172,672.08, 259,008.12 and 83,849.46 is: 125,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,672.08 : 259,008.12 = 83,849.46 : x
  2. Step 2: Convert to fraction form
    172,672.08/259,008.12 = 83,849.46/x
  3. Step 3: Cross multiply
    172,672.08x = 259,008.12 × 83,849.46
  4. Step 4: Simplify right side
    172,672.08x = 21,717,690,997.62
  5. Step 5: Solve for x
    x = 21,717,690,997.62/172,672.08
  6. Step 6: Final answer
    x = 125,774.19

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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.