Home / 311,766.76-467,719.42-145,464.04

Finding the Fourth Proportional to 311,766.76, 467,719.42 and 145,464.04

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Solution

The fourth proportional to 311,766.76, 467,719.42 and 145,464.04 is: 218,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,766.76 : 467,719.42 = 145,464.04 : x
  2. Step 2: Convert to fraction form
    311,766.76/467,719.42 = 145,464.04/x
  3. Step 3: Cross multiply
    311,766.76x = 467,719.42 × 145,464.04
  4. Step 4: Simplify right side
    311,766.76x = 68,036,356,419.66
  5. Step 5: Solve for x
    x = 68,036,356,419.66/311,766.76
  6. Step 6: Final answer
    x = 218,228.38

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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.