Home / 172,325.19-258,223.73-115,956.75

Finding the Fourth Proportional to 172,325.19, 258,223.73 and 115,956.75

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Solution

The fourth proportional to 172,325.19, 258,223.73 and 115,956.75 is: 173,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,325.19 : 258,223.73 = 115,956.75 : x
  2. Step 2: Convert to fraction form
    172,325.19/258,223.73 = 115,956.75/x
  3. Step 3: Cross multiply
    172,325.19x = 258,223.73 × 115,956.75
  4. Step 4: Simplify right side
    172,325.19x = 29,942,783,923.89
  5. Step 5: Solve for x
    x = 29,942,783,923.89/172,325.19
  6. Step 6: Final answer
    x = 173,757.44

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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.