Home / 167,968.43-231,779.63-103,427.33

Finding the Fourth Proportional to 167,968.43, 231,779.63 and 103,427.33

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Solution

The fourth proportional to 167,968.43, 231,779.63 and 103,427.33 is: 142,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,968.43 : 231,779.63 = 103,427.33 : x
  2. Step 2: Convert to fraction form
    167,968.43/231,779.63 = 103,427.33/x
  3. Step 3: Cross multiply
    167,968.43x = 231,779.63 × 103,427.33
  4. Step 4: Simplify right side
    167,968.43x = 23,972,348,100.94
  5. Step 5: Solve for x
    x = 23,972,348,100.94/167,968.43
  6. Step 6: Final answer
    x = 142,719.36

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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.