Home / 331,143.44-496,415.66-120,732.17

Finding the Fourth Proportional to 331,143.44, 496,415.66 and 120,732.17

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Solution

The fourth proportional to 331,143.44, 496,415.66 and 120,732.17 is: 180,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,143.44 : 496,415.66 = 120,732.17 : x
  2. Step 2: Convert to fraction form
    331,143.44/496,415.66 = 120,732.17/x
  3. Step 3: Cross multiply
    331,143.44x = 496,415.66 × 120,732.17
  4. Step 4: Simplify right side
    331,143.44x = 59,933,336,768.04
  5. Step 5: Solve for x
    x = 59,933,336,768.04/331,143.44
  6. Step 6: Final answer
    x = 180,989.05

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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.