Home / 173,261.20-259,917.96-73,421.80

Finding the Fourth Proportional to 173,261.20, 259,917.96 and 73,421.80

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Solution

The fourth proportional to 173,261.20, 259,917.96 and 73,421.80 is: 110,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,261.20 : 259,917.96 = 73,421.80 : x
  2. Step 2: Convert to fraction form
    173,261.20/259,917.96 = 73,421.80/x
  3. Step 3: Cross multiply
    173,261.20x = 259,917.96 × 73,421.80
  4. Step 4: Simplify right side
    173,261.20x = 19,083,644,475.53
  5. Step 5: Solve for x
    x = 19,083,644,475.53/173,261.20
  6. Step 6: Final answer
    x = 110,143.79

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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.