Home / 316,828.20-474,464.70-211,074.60

Finding the Fourth Proportional to 316,828.20, 474,464.70 and 211,074.60

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Solution

The fourth proportional to 316,828.20, 474,464.70 and 211,074.60 is: 316,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,828.20 : 474,464.70 = 211,074.60 : x
  2. Step 2: Convert to fraction form
    316,828.20/474,464.70 = 211,074.60/x
  3. Step 3: Cross multiply
    316,828.20x = 474,464.70 × 211,074.60
  4. Step 4: Simplify right side
    316,828.20x = 100,147,446,766.62
  5. Step 5: Solve for x
    x = 100,147,446,766.62/316,828.20
  6. Step 6: Final answer
    x = 316,093.85

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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.