Home / 205,564.88-307,910.18-98,792.04

Finding the Fourth Proportional to 205,564.88, 307,910.18 and 98,792.04

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Solution

The fourth proportional to 205,564.88, 307,910.18 and 98,792.04 is: 147,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,564.88 : 307,910.18 = 98,792.04 : x
  2. Step 2: Convert to fraction form
    205,564.88/307,910.18 = 98,792.04/x
  3. Step 3: Cross multiply
    205,564.88x = 307,910.18 × 98,792.04
  4. Step 4: Simplify right side
    205,564.88x = 30,419,074,818.97
  5. Step 5: Solve for x
    x = 30,419,074,818.97/205,564.88
  6. Step 6: Final answer
    x = 147,977.98

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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.