Home / 199,707.97-275,599.19-109,066.60

Finding the Fourth Proportional to 199,707.97, 275,599.19 and 109,066.60

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Solution

The fourth proportional to 199,707.97, 275,599.19 and 109,066.60 is: 150,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,707.97 : 275,599.19 = 109,066.60 : x
  2. Step 2: Convert to fraction form
    199,707.97/275,599.19 = 109,066.60/x
  3. Step 3: Cross multiply
    199,707.97x = 275,599.19 × 109,066.60
  4. Step 4: Simplify right side
    199,707.97x = 30,058,666,616.05
  5. Step 5: Solve for x
    x = 30,058,666,616.05/199,707.97
  6. Step 6: Final answer
    x = 150,513.10

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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.