Home / 331,006.15-496,120.42-153,137.44

Finding the Fourth Proportional to 331,006.15, 496,120.42 and 153,137.44

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Solution

The fourth proportional to 331,006.15, 496,120.42 and 153,137.44 is: 229,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,006.15 : 496,120.42 = 153,137.44 : x
  2. Step 2: Convert to fraction form
    331,006.15/496,120.42 = 153,137.44/x
  3. Step 3: Cross multiply
    331,006.15x = 496,120.42 × 153,137.44
  4. Step 4: Simplify right side
    331,006.15x = 75,974,611,050.52
  5. Step 5: Solve for x
    x = 75,974,611,050.52/331,006.15
  6. Step 6: Final answer
    x = 229,526.28

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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.