Home / 199,605.36-275,444.89-108,943.73

Finding the Fourth Proportional to 199,605.36, 275,444.89 and 108,943.73

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Solution

The fourth proportional to 199,605.36, 275,444.89 and 108,943.73 is: 150,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605.36 : 275,444.89 = 108,943.73 : x
  2. Step 2: Convert to fraction form
    199,605.36/275,444.89 = 108,943.73/x
  3. Step 3: Cross multiply
    199,605.36x = 275,444.89 × 108,943.73
  4. Step 4: Simplify right side
    199,605.36x = 30,007,992,076.46
  5. Step 5: Solve for x
    x = 30,007,992,076.46/199,605.36
  6. Step 6: Final answer
    x = 150,336.60

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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.