Home / 172,882.45-259,145.79-66,237.43

Finding the Fourth Proportional to 172,882.45, 259,145.79 and 66,237.43

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Solution

The fourth proportional to 172,882.45, 259,145.79 and 66,237.43 is: 99,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,882.45 : 259,145.79 = 66,237.43 : x
  2. Step 2: Convert to fraction form
    172,882.45/259,145.79 = 66,237.43/x
  3. Step 3: Cross multiply
    172,882.45x = 259,145.79 × 66,237.43
  4. Step 4: Simplify right side
    172,882.45x = 17,165,151,124.92
  5. Step 5: Solve for x
    x = 17,165,151,124.92/172,882.45
  6. Step 6: Final answer
    x = 99,287.99

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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.