Home / 199,833.60-275,770.56-109,190.40

Finding the Fourth Proportional to 199,833.60, 275,770.56 and 109,190.40

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Solution

The fourth proportional to 199,833.60, 275,770.56 and 109,190.40 is: 150,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,833.60 : 275,770.56 = 109,190.40 : x
  2. Step 2: Convert to fraction form
    199,833.60/275,770.56 = 109,190.40/x
  3. Step 3: Cross multiply
    199,833.60x = 275,770.56 × 109,190.40
  4. Step 4: Simplify right side
    199,833.60x = 30,111,497,754.62
  5. Step 5: Solve for x
    x = 30,111,497,754.62/199,833.60
  6. Step 6: Final answer
    x = 150,682.86

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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.