Home / 351,109.18-484,530.49-198,179.46

Finding the Fourth Proportional to 351,109.18, 484,530.49 and 198,179.46

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Solution

The fourth proportional to 351,109.18, 484,530.49 and 198,179.46 is: 273,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,109.18 : 484,530.49 = 198,179.46 : x
  2. Step 2: Convert to fraction form
    351,109.18/484,530.49 = 198,179.46/x
  3. Step 3: Cross multiply
    351,109.18x = 484,530.49 × 198,179.46
  4. Step 4: Simplify right side
    351,109.18x = 96,023,987,448.19
  5. Step 5: Solve for x
    x = 96,023,987,448.19/351,109.18
  6. Step 6: Final answer
    x = 273,487.55

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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.