Home / 376,923.54-520,156.18-207,168.60

Finding the Fourth Proportional to 376,923.54, 520,156.18 and 207,168.60

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Solution

The fourth proportional to 376,923.54, 520,156.18 and 207,168.60 is: 285,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,923.54 : 520,156.18 = 207,168.60 : x
  2. Step 2: Convert to fraction form
    376,923.54/520,156.18 = 207,168.60/x
  3. Step 3: Cross multiply
    376,923.54x = 520,156.18 × 207,168.60
  4. Step 4: Simplify right side
    376,923.54x = 107,760,027,591.95
  5. Step 5: Solve for x
    x = 107,760,027,591.95/376,923.54
  6. Step 6: Final answer
    x = 285,893.60

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1.5x scale

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.