Home / 199,930.59-275,904.22-109,286.93

Finding the Fourth Proportional to 199,930.59, 275,904.22 and 109,286.93

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Solution

The fourth proportional to 199,930.59, 275,904.22 and 109,286.93 is: 150,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,930.59 : 275,904.22 = 109,286.93 : x
  2. Step 2: Convert to fraction form
    199,930.59/275,904.22 = 109,286.93/x
  3. Step 3: Cross multiply
    199,930.59x = 275,904.22 × 109,286.93
  4. Step 4: Simplify right side
    199,930.59x = 30,152,725,594.39
  5. Step 5: Solve for x
    x = 30,152,725,594.39/199,930.59
  6. Step 6: Final answer
    x = 150,815.97

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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.