Home / 198,600.22-297,732.51-86,195.44

Finding the Fourth Proportional to 198,600.22, 297,732.51 and 86,195.44

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Solution

The fourth proportional to 198,600.22, 297,732.51 and 86,195.44 is: 129,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,600.22 : 297,732.51 = 86,195.44 : x
  2. Step 2: Convert to fraction form
    198,600.22/297,732.51 = 86,195.44/x
  3. Step 3: Cross multiply
    198,600.22x = 297,732.51 × 86,195.44
  4. Step 4: Simplify right side
    198,600.22x = 25,663,184,701.75
  5. Step 5: Solve for x
    x = 25,663,184,701.75/198,600.22
  6. Step 6: Final answer
    x = 129,220.32

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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.