Home / 128,441.16-192,613.82-44,177.47

Finding the Fourth Proportional to 128,441.16, 192,613.82 and 44,177.47

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Solution

The fourth proportional to 128,441.16, 192,613.82 and 44,177.47 is: 66,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,441.16 : 192,613.82 = 44,177.47 : x
  2. Step 2: Convert to fraction form
    128,441.16/192,613.82 = 44,177.47/x
  3. Step 3: Cross multiply
    128,441.16x = 192,613.82 × 44,177.47
  4. Step 4: Simplify right side
    128,441.16x = 8,509,190,552.21
  5. Step 5: Solve for x
    x = 8,509,190,552.21/128,441.16
  6. Step 6: Final answer
    x = 66,249.72

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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.