Home / 121,304.62-167,398.14-67,588.48

Finding the Fourth Proportional to 121,304.62, 167,398.14 and 67,588.48

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Solution

The fourth proportional to 121,304.62, 167,398.14 and 67,588.48 is: 93,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,304.62 : 167,398.14 = 67,588.48 : x
  2. Step 2: Convert to fraction form
    121,304.62/167,398.14 = 67,588.48/x
  3. Step 3: Cross multiply
    121,304.62x = 167,398.14 × 67,588.48
  4. Step 4: Simplify right side
    121,304.62x = 11,314,185,418.93
  5. Step 5: Solve for x
    x = 11,314,185,418.93/121,304.62
  6. Step 6: Final answer
    x = 93,270.86

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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.