Home / 196,595.18-271,121.31-145,734.60

Finding the Fourth Proportional to 196,595.18, 271,121.31 and 145,734.60

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Solution

The fourth proportional to 196,595.18, 271,121.31 and 145,734.60 is: 200,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,595.18 : 271,121.31 = 145,734.60 : x
  2. Step 2: Convert to fraction form
    196,595.18/271,121.31 = 145,734.60/x
  3. Step 3: Cross multiply
    196,595.18x = 271,121.31 × 145,734.60
  4. Step 4: Simplify right side
    196,595.18x = 39,511,755,664.33
  5. Step 5: Solve for x
    x = 39,511,755,664.33/196,595.18
  6. Step 6: Final answer
    x = 200,980.29

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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.