Home / 167,636.37-231,243.51-99,675.27

Finding the Fourth Proportional to 167,636.37, 231,243.51 and 99,675.27

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Solution

The fourth proportional to 167,636.37, 231,243.51 and 99,675.27 is: 137,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,636.37 : 231,243.51 = 99,675.27 : x
  2. Step 2: Convert to fraction form
    167,636.37/231,243.51 = 99,675.27/x
  3. Step 3: Cross multiply
    167,636.37x = 231,243.51 × 99,675.27
  4. Step 4: Simplify right side
    167,636.37x = 23,049,259,295.00
  5. Step 5: Solve for x
    x = 23,049,259,295.00/167,636.37
  6. Step 6: Final answer
    x = 137,495.58

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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.