Home / 230,918.80-346,734.60-125,942.80

Finding the Fourth Proportional to 230,918.80, 346,734.60 and 125,942.80

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Solution

The fourth proportional to 230,918.80, 346,734.60 and 125,942.80 is: 189,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,918.80 : 346,734.60 = 125,942.80 : x
  2. Step 2: Convert to fraction form
    230,918.80/346,734.60 = 125,942.80/x
  3. Step 3: Cross multiply
    230,918.80x = 346,734.60 × 125,942.80
  4. Step 4: Simplify right side
    230,918.80x = 43,668,726,380.88
  5. Step 5: Solve for x
    x = 43,668,726,380.88/230,918.80
  6. Step 6: Final answer
    x = 189,108.58

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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.