Home / 199,966.24-275,954.39-109,322.21

Finding the Fourth Proportional to 199,966.24, 275,954.39 and 109,322.21

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Solution

The fourth proportional to 199,966.24, 275,954.39 and 109,322.21 is: 150,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,966.24 : 275,954.39 = 109,322.21 : x
  2. Step 2: Convert to fraction form
    199,966.24/275,954.39 = 109,322.21/x
  3. Step 3: Cross multiply
    199,966.24x = 275,954.39 × 109,322.21
  4. Step 4: Simplify right side
    199,966.24x = 30,167,943,917.28
  5. Step 5: Solve for x
    x = 30,167,943,917.28/199,966.24
  6. Step 6: Final answer
    x = 150,865.18

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1.5x scale

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.