Home / 198,496.36-297,577.17-86,091.95

Finding the Fourth Proportional to 198,496.36, 297,577.17 and 86,091.95

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Solution

The fourth proportional to 198,496.36, 297,577.17 and 86,091.95 is: 129,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,496.36 : 297,577.17 = 86,091.95 : x
  2. Step 2: Convert to fraction form
    198,496.36/297,577.17 = 86,091.95/x
  3. Step 3: Cross multiply
    198,496.36x = 297,577.17 × 86,091.95
  4. Step 4: Simplify right side
    198,496.36x = 25,618,998,840.78
  5. Step 5: Solve for x
    x = 25,618,998,840.78/198,496.36
  6. Step 6: Final answer
    x = 129,065.33

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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.