Home / 235,441.20-352,643.40-209,175.60

Finding the Fourth Proportional to 235,441.20, 352,643.40 and 209,175.60

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Solution

The fourth proportional to 235,441.20, 352,643.40 and 209,175.60 is: 313,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,441.20 : 352,643.40 = 209,175.60 : x
  2. Step 2: Convert to fraction form
    235,441.20/352,643.40 = 209,175.60/x
  3. Step 3: Cross multiply
    235,441.20x = 352,643.40 × 209,175.60
  4. Step 4: Simplify right side
    235,441.20x = 73,764,394,781.04
  5. Step 5: Solve for x
    x = 73,764,394,781.04/235,441.20
  6. Step 6: Final answer
    x = 313,302.83

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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.