Home / 173,418.48-259,883.21-82,137.05

Finding the Fourth Proportional to 173,418.48, 259,883.21 and 82,137.05

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Solution

The fourth proportional to 173,418.48, 259,883.21 and 82,137.05 is: 123,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,418.48 : 259,883.21 = 82,137.05 : x
  2. Step 2: Convert to fraction form
    173,418.48/259,883.21 = 82,137.05/x
  3. Step 3: Cross multiply
    173,418.48x = 259,883.21 × 82,137.05
  4. Step 4: Simplify right side
    173,418.48x = 21,346,039,119.86
  5. Step 5: Solve for x
    x = 21,346,039,119.86/173,418.48
  6. Step 6: Final answer
    x = 123,089.76

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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.