Home / 140,257.11-193,426.61-109,634.25

Finding the Fourth Proportional to 140,257.11, 193,426.61 and 109,634.25

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Solution

The fourth proportional to 140,257.11, 193,426.61 and 109,634.25 is: 151,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,257.11 : 193,426.61 = 109,634.25 : x
  2. Step 2: Convert to fraction form
    140,257.11/193,426.61 = 109,634.25/x
  3. Step 3: Cross multiply
    140,257.11x = 193,426.61 × 109,634.25
  4. Step 4: Simplify right side
    140,257.11x = 21,206,180,769.22
  5. Step 5: Solve for x
    x = 21,206,180,769.22/140,257.11
  6. Step 6: Final answer
    x = 151,195.05

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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.