Home / 167,828.56-251,743.50-67,990.64

Finding the Fourth Proportional to 167,828.56, 251,743.50 and 67,990.64

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Solution

The fourth proportional to 167,828.56, 251,743.50 and 67,990.64 is: 101,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,828.56 : 251,743.50 = 67,990.64 : x
  2. Step 2: Convert to fraction form
    167,828.56/251,743.50 = 67,990.64/x
  3. Step 3: Cross multiply
    167,828.56x = 251,743.50 × 67,990.64
  4. Step 4: Simplify right side
    167,828.56x = 17,116,201,680.84
  5. Step 5: Solve for x
    x = 17,116,201,680.84/167,828.56
  6. Step 6: Final answer
    x = 101,986.23

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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.