Home / 379,256.05-523,375.12-207,176.41

Finding the Fourth Proportional to 379,256.05, 523,375.12 and 207,176.41

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Solution

The fourth proportional to 379,256.05, 523,375.12 and 207,176.41 is: 285,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,256.05 : 523,375.12 = 207,176.41 : x
  2. Step 2: Convert to fraction form
    379,256.05/523,375.12 = 207,176.41/x
  3. Step 3: Cross multiply
    379,256.05x = 523,375.12 × 207,176.41
  4. Step 4: Simplify right side
    379,256.05x = 108,430,978,444.92
  5. Step 5: Solve for x
    x = 108,430,978,444.92/379,256.05
  6. Step 6: Final answer
    x = 285,904.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.