Home / 199,666.97-275,539.02-109,022.87

Finding the Fourth Proportional to 199,666.97, 275,539.02 and 109,022.87

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Solution

The fourth proportional to 199,666.97, 275,539.02 and 109,022.87 is: 150,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,666.97 : 275,539.02 = 109,022.87 : x
  2. Step 2: Convert to fraction form
    199,666.97/275,539.02 = 109,022.87/x
  3. Step 3: Cross multiply
    199,666.97x = 275,539.02 × 109,022.87
  4. Step 4: Simplify right side
    199,666.97x = 30,040,055,037.40
  5. Step 5: Solve for x
    x = 30,040,055,037.40/199,666.97
  6. Step 6: Final answer
    x = 150,450.80

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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.