Home / 199,825.72-275,750.94-109,180.24

Finding the Fourth Proportional to 199,825.72, 275,750.94 and 109,180.24

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Solution

The fourth proportional to 199,825.72, 275,750.94 and 109,180.24 is: 150,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,825.72 : 275,750.94 = 109,180.24 : x
  2. Step 2: Convert to fraction form
    199,825.72/275,750.94 = 109,180.24/x
  3. Step 3: Cross multiply
    199,825.72x = 275,750.94 × 109,180.24
  4. Step 4: Simplify right side
    199,825.72x = 30,106,553,809.43
  5. Step 5: Solve for x
    x = 30,106,553,809.43/199,825.72
  6. Step 6: Final answer
    x = 150,664.06

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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.