Home / 128,055.27-192,033.66-88,492.44

Finding the Fourth Proportional to 128,055.27, 192,033.66 and 88,492.44

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Solution

The fourth proportional to 128,055.27, 192,033.66 and 88,492.44 is: 132,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,055.27 : 192,033.66 = 88,492.44 : x
  2. Step 2: Convert to fraction form
    128,055.27/192,033.66 = 88,492.44/x
  3. Step 3: Cross multiply
    128,055.27x = 192,033.66 × 88,492.44
  4. Step 4: Simplify right side
    128,055.27x = 16,993,527,135.53
  5. Step 5: Solve for x
    x = 16,993,527,135.53/128,055.27
  6. Step 6: Final answer
    x = 132,704.63

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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.