Home / 121,301.55-167,376.20-67,574.43

Finding the Fourth Proportional to 121,301.55, 167,376.20 and 67,574.43

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Solution

The fourth proportional to 121,301.55, 167,376.20 and 67,574.43 is: 93,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,301.55 : 167,376.20 = 67,574.43 : x
  2. Step 2: Convert to fraction form
    121,301.55/167,376.20 = 67,574.43/x
  3. Step 3: Cross multiply
    121,301.55x = 167,376.20 × 67,574.43
  4. Step 4: Simplify right side
    121,301.55x = 11,310,350,972.69
  5. Step 5: Solve for x
    x = 11,310,350,972.69/121,301.55
  6. Step 6: Final answer
    x = 93,241.60

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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.