Home / 445,315.44-667,956.60-192,659.52

Finding the Fourth Proportional to 445,315.44, 667,956.60 and 192,659.52

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Solution

The fourth proportional to 445,315.44, 667,956.60 and 192,659.52 is: 288,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,315.44 : 667,956.60 = 192,659.52 : x
  2. Step 2: Convert to fraction form
    445,315.44/667,956.60 = 192,659.52/x
  3. Step 3: Cross multiply
    445,315.44x = 667,956.60 × 192,659.52
  4. Step 4: Simplify right side
    445,315.44x = 128,688,197,936.83
  5. Step 5: Solve for x
    x = 128,688,197,936.83/445,315.44
  6. Step 6: Final answer
    x = 288,982.12

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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.