Home / 219,906.90-329,872.64-62,131.25

Finding the Fourth Proportional to 219,906.90, 329,872.64 and 62,131.25

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Solution

The fourth proportional to 219,906.90, 329,872.64 and 62,131.25 is: 93,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,906.90 : 329,872.64 = 62,131.25 : x
  2. Step 2: Convert to fraction form
    219,906.90/329,872.64 = 62,131.25/x
  3. Step 3: Cross multiply
    219,906.90x = 329,872.64 × 62,131.25
  4. Step 4: Simplify right side
    219,906.90x = 20,495,399,978.03
  5. Step 5: Solve for x
    x = 20,495,399,978.03/219,906.90
  6. Step 6: Final answer
    x = 93,200.35

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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.