Home / 331,318.40-496,939.20-94,697.60

Finding the Fourth Proportional to 331,318.40, 496,939.20 and 94,697.60

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Solution

The fourth proportional to 331,318.40, 496,939.20 and 94,697.60 is: 142,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,318.40 : 496,939.20 = 94,697.60 : x
  2. Step 2: Convert to fraction form
    331,318.40/496,939.20 = 94,697.60/x
  3. Step 3: Cross multiply
    331,318.40x = 496,939.20 × 94,697.60
  4. Step 4: Simplify right side
    331,318.40x = 47,058,949,585.92
  5. Step 5: Solve for x
    x = 47,058,949,585.92/331,318.40
  6. Step 6: Final answer
    x = 142,035.42

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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.