Home / 276,803.20-415,336.02-164,704.87

Finding the Fourth Proportional to 276,803.20, 415,336.02 and 164,704.87

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Solution

The fourth proportional to 276,803.20, 415,336.02 and 164,704.87 is: 247,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,803.20 : 415,336.02 = 164,704.87 : x
  2. Step 2: Convert to fraction form
    276,803.20/415,336.02 = 164,704.87/x
  3. Step 3: Cross multiply
    276,803.20x = 415,336.02 × 164,704.87
  4. Step 4: Simplify right side
    276,803.20x = 68,407,864,142.08
  5. Step 5: Solve for x
    x = 68,407,864,142.08/276,803.20
  6. Step 6: Final answer
    x = 247,135.38

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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.