Home / 199,853.50-275,786.08-109,191.42

Finding the Fourth Proportional to 199,853.50, 275,786.08 and 109,191.42

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Solution

The fourth proportional to 199,853.50, 275,786.08 and 109,191.42 is: 150,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,853.50 : 275,786.08 = 109,191.42 : x
  2. Step 2: Convert to fraction form
    199,853.50/275,786.08 = 109,191.42/x
  3. Step 3: Cross multiply
    199,853.50x = 275,786.08 × 109,191.42
  4. Step 4: Simplify right side
    199,853.50x = 30,113,473,691.43
  5. Step 5: Solve for x
    x = 30,113,473,691.43/199,853.50
  6. Step 6: Final answer
    x = 150,677.74

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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.