Home / 171,517.47-257,301.11-53,198.34

Finding the Fourth Proportional to 171,517.47, 257,301.11 and 53,198.34

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Solution

The fourth proportional to 171,517.47, 257,301.11 and 53,198.34 is: 79,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,517.47 : 257,301.11 = 53,198.34 : x
  2. Step 2: Convert to fraction form
    171,517.47/257,301.11 = 53,198.34/x
  3. Step 3: Cross multiply
    171,517.47x = 257,301.11 × 53,198.34
  4. Step 4: Simplify right side
    171,517.47x = 13,687,991,932.16
  5. Step 5: Solve for x
    x = 13,687,991,932.16/171,517.47
  6. Step 6: Final answer
    x = 79,805.23

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1.5x scale

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.