Home / 171,941.26-257,794.25-87,538.09

Finding the Fourth Proportional to 171,941.26, 257,794.25 and 87,538.09

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Solution

The fourth proportional to 171,941.26, 257,794.25 and 87,538.09 is: 131,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.26 : 257,794.25 = 87,538.09 : x
  2. Step 2: Convert to fraction form
    171,941.26/257,794.25 = 87,538.09/x
  3. Step 3: Cross multiply
    171,941.26x = 257,794.25 × 87,538.09
  4. Step 4: Simplify right side
    171,941.26x = 22,566,816,661.19
  5. Step 5: Solve for x
    x = 22,566,816,661.19/171,941.26
  6. Step 6: Final answer
    x = 131,247.25

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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.