Home / 135,162.41-202,611.20-75,219.47

Finding the Fourth Proportional to 135,162.41, 202,611.20 and 75,219.47

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Solution

The fourth proportional to 135,162.41, 202,611.20 and 75,219.47 is: 112,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,162.41 : 202,611.20 = 75,219.47 : x
  2. Step 2: Convert to fraction form
    135,162.41/202,611.20 = 75,219.47/x
  3. Step 3: Cross multiply
    135,162.41x = 202,611.20 × 75,219.47
  4. Step 4: Simplify right side
    135,162.41x = 15,240,307,517.02
  5. Step 5: Solve for x
    x = 15,240,307,517.02/135,162.41
  6. Step 6: Final answer
    x = 112,755.52

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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.