Home / 206,975.04-285,556.80-126,373.44

Finding the Fourth Proportional to 206,975.04, 285,556.80 and 126,373.44

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Solution

The fourth proportional to 206,975.04, 285,556.80 and 126,373.44 is: 174,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,975.04 : 285,556.80 = 126,373.44 : x
  2. Step 2: Convert to fraction form
    206,975.04/285,556.80 = 126,373.44/x
  3. Step 3: Cross multiply
    206,975.04x = 285,556.80 × 126,373.44
  4. Step 4: Simplify right side
    206,975.04x = 36,086,795,131.39
  5. Step 5: Solve for x
    x = 36,086,795,131.39/206,975.04
  6. Step 6: Final answer
    x = 174,353.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.