Home / 128,450.43-192,627.72-44,186.76

Finding the Fourth Proportional to 128,450.43, 192,627.72 and 44,186.76

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Solution

The fourth proportional to 128,450.43, 192,627.72 and 44,186.76 is: 66,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,450.43 : 192,627.72 = 44,186.76 : x
  2. Step 2: Convert to fraction form
    128,450.43/192,627.72 = 44,186.76/x
  3. Step 3: Cross multiply
    128,450.43x = 192,627.72 × 44,186.76
  4. Step 4: Simplify right side
    128,450.43x = 8,511,594,832.99
  5. Step 5: Solve for x
    x = 8,511,594,832.99/128,450.43
  6. Step 6: Final answer
    x = 66,263.65

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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.