Home / 171,975.14-258,062.34-72,126.44

Finding the Fourth Proportional to 171,975.14, 258,062.34 and 72,126.44

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Solution

The fourth proportional to 171,975.14, 258,062.34 and 72,126.44 is: 108,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,975.14 : 258,062.34 = 72,126.44 : x
  2. Step 2: Convert to fraction form
    171,975.14/258,062.34 = 72,126.44/x
  3. Step 3: Cross multiply
    171,975.14x = 258,062.34 × 72,126.44
  4. Step 4: Simplify right side
    171,975.14x = 18,613,117,882.27
  5. Step 5: Solve for x
    x = 18,613,117,882.27/171,975.14
  6. Step 6: Final answer
    x = 108,231.44

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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.