Home / 235,438.20-352,850.10-109,063.80

Finding the Fourth Proportional to 235,438.20, 352,850.10 and 109,063.80

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Solution

The fourth proportional to 235,438.20, 352,850.10 and 109,063.80 is: 163,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438.20 : 352,850.10 = 109,063.80 : x
  2. Step 2: Convert to fraction form
    235,438.20/352,850.10 = 109,063.80/x
  3. Step 3: Cross multiply
    235,438.20x = 352,850.10 × 109,063.80
  4. Step 4: Simplify right side
    235,438.20x = 38,483,172,736.38
  5. Step 5: Solve for x
    x = 38,483,172,736.38/235,438.20
  6. Step 6: Final answer
    x = 163,453.39

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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.