Home / 331,050.72-496,578.96-81,734.88

Finding the Fourth Proportional to 331,050.72, 496,578.96 and 81,734.88

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Solution

The fourth proportional to 331,050.72, 496,578.96 and 81,734.88 is: 122,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,050.72 : 496,578.96 = 81,734.88 : x
  2. Step 2: Convert to fraction form
    331,050.72/496,578.96 = 81,734.88/x
  3. Step 3: Cross multiply
    331,050.72x = 496,578.96 × 81,734.88
  4. Step 4: Simplify right side
    331,050.72x = 40,587,821,706.12
  5. Step 5: Solve for x
    x = 40,587,821,706.12/331,050.72
  6. Step 6: Final answer
    x = 122,603.03

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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.