Home / 169,125.21-253,708.66-55,270.31

Finding the Fourth Proportional to 169,125.21, 253,708.66 and 55,270.31

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Solution

The fourth proportional to 169,125.21, 253,708.66 and 55,270.31 is: 82,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,125.21 : 253,708.66 = 55,270.31 : x
  2. Step 2: Convert to fraction form
    169,125.21/253,708.66 = 55,270.31/x
  3. Step 3: Cross multiply
    169,125.21x = 253,708.66 × 55,270.31
  4. Step 4: Simplify right side
    169,125.21x = 14,022,556,287.88
  5. Step 5: Solve for x
    x = 14,022,556,287.88/169,125.21
  6. Step 6: Final answer
    x = 82,912.28

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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.