Home / 199,744.16-275,645.52-109,100.15

Finding the Fourth Proportional to 199,744.16, 275,645.52 and 109,100.15

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Solution

The fourth proportional to 199,744.16, 275,645.52 and 109,100.15 is: 150,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,744.16 : 275,645.52 = 109,100.15 : x
  2. Step 2: Convert to fraction form
    199,744.16/275,645.52 = 109,100.15/x
  3. Step 3: Cross multiply
    199,744.16x = 275,645.52 × 109,100.15
  4. Step 4: Simplify right side
    199,744.16x = 30,072,966,200.60
  5. Step 5: Solve for x
    x = 30,072,966,200.60/199,744.16
  6. Step 6: Final answer
    x = 150,557.43

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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.