Home / 331,942.23-458,078.19-188,702.31

Finding the Fourth Proportional to 331,942.23, 458,078.19 and 188,702.31

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Solution

The fourth proportional to 331,942.23, 458,078.19 and 188,702.31 is: 260,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,942.23 : 458,078.19 = 188,702.31 : x
  2. Step 2: Convert to fraction form
    331,942.23/458,078.19 = 188,702.31/x
  3. Step 3: Cross multiply
    331,942.23x = 458,078.19 × 188,702.31
  4. Step 4: Simplify right side
    331,942.23x = 86,440,412,613.62
  5. Step 5: Solve for x
    x = 86,440,412,613.62/331,942.23
  6. Step 6: Final answer
    x = 260,408.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.