Home / 230,736.20-346,104.30-212,073.80

Finding the Fourth Proportional to 230,736.20, 346,104.30 and 212,073.80

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Solution

The fourth proportional to 230,736.20, 346,104.30 and 212,073.80 is: 318,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,736.20 : 346,104.30 = 212,073.80 : x
  2. Step 2: Convert to fraction form
    230,736.20/346,104.30 = 212,073.80/x
  3. Step 3: Cross multiply
    230,736.20x = 346,104.30 × 212,073.80
  4. Step 4: Simplify right side
    230,736.20x = 73,399,654,097.34
  5. Step 5: Solve for x
    x = 73,399,654,097.34/230,736.20
  6. Step 6: Final answer
    x = 318,110.70

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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.