Home / 198,513.20-297,705.81-65,361.77

Finding the Fourth Proportional to 198,513.20, 297,705.81 and 65,361.77

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Solution

The fourth proportional to 198,513.20, 297,705.81 and 65,361.77 is: 98,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,513.20 : 297,705.81 = 65,361.77 : x
  2. Step 2: Convert to fraction form
    198,513.20/297,705.81 = 65,361.77/x
  3. Step 3: Cross multiply
    198,513.20x = 297,705.81 × 65,361.77
  4. Step 4: Simplify right side
    198,513.20x = 19,458,578,680.88
  5. Step 5: Solve for x
    x = 19,458,578,680.88/198,513.20
  6. Step 6: Final answer
    x = 98,021.59

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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.