Home / 351,021.09-484,367.37-198,050.49

Finding the Fourth Proportional to 351,021.09, 484,367.37 and 198,050.49

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Solution

The fourth proportional to 351,021.09, 484,367.37 and 198,050.49 is: 273,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021.09 : 484,367.37 = 198,050.49 : x
  2. Step 2: Convert to fraction form
    351,021.09/484,367.37 = 198,050.49/x
  3. Step 3: Cross multiply
    351,021.09x = 484,367.37 × 198,050.49
  4. Step 4: Simplify right side
    351,021.09x = 95,929,194,968.51
  5. Step 5: Solve for x
    x = 95,929,194,968.51/351,021.09
  6. Step 6: Final answer
    x = 273,286.13

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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.