Home / 331,290.60-496,935.90-109,674.60

Finding the Fourth Proportional to 331,290.60, 496,935.90 and 109,674.60

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Solution

The fourth proportional to 331,290.60, 496,935.90 and 109,674.60 is: 164,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,290.60 : 496,935.90 = 109,674.60 : x
  2. Step 2: Convert to fraction form
    331,290.60/496,935.90 = 109,674.60/x
  3. Step 3: Cross multiply
    331,290.60x = 496,935.90 × 109,674.60
  4. Step 4: Simplify right side
    331,290.60x = 54,501,246,058.14
  5. Step 5: Solve for x
    x = 54,501,246,058.14/331,290.60
  6. Step 6: Final answer
    x = 164,511.90

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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.