Home / 167,968.94-231,780.32-103,427.83

Finding the Fourth Proportional to 167,968.94, 231,780.32 and 103,427.83

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Solution

The fourth proportional to 167,968.94, 231,780.32 and 103,427.83 is: 142,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,968.94 : 231,780.32 = 103,427.83 : x
  2. Step 2: Convert to fraction form
    167,968.94/231,780.32 = 103,427.83/x
  3. Step 3: Cross multiply
    167,968.94x = 231,780.32 × 103,427.83
  4. Step 4: Simplify right side
    167,968.94x = 23,972,535,017.17
  5. Step 5: Solve for x
    x = 23,972,535,017.17/167,968.94
  6. Step 6: Final answer
    x = 142,720.05

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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.