Home / 135,016.20-202,232.70-117,520.20

Finding the Fourth Proportional to 135,016.20, 202,232.70 and 117,520.20

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Solution

The fourth proportional to 135,016.20, 202,232.70 and 117,520.20 is: 176,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,016.20 : 202,232.70 = 117,520.20 : x
  2. Step 2: Convert to fraction form
    135,016.20/202,232.70 = 117,520.20/x
  3. Step 3: Cross multiply
    135,016.20x = 202,232.70 × 117,520.20
  4. Step 4: Simplify right side
    135,016.20x = 23,766,427,350.54
  5. Step 5: Solve for x
    x = 23,766,427,350.54/135,016.20
  6. Step 6: Final answer
    x = 176,026.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.