Home / 167,072.13-250,654.48-77,142.31

Finding the Fourth Proportional to 167,072.13, 250,654.48 and 77,142.31

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Solution

The fourth proportional to 167,072.13, 250,654.48 and 77,142.31 is: 115,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,072.13 : 250,654.48 = 77,142.31 : x
  2. Step 2: Convert to fraction form
    167,072.13/250,654.48 = 77,142.31/x
  3. Step 3: Cross multiply
    167,072.13x = 250,654.48 × 77,142.31
  4. Step 4: Simplify right side
    167,072.13x = 19,336,065,599.05
  5. Step 5: Solve for x
    x = 19,336,065,599.05/167,072.13
  6. Step 6: Final answer
    x = 115,734.84

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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.