Home / 121,149.89-167,183.13-67,433.53

Finding the Fourth Proportional to 121,149.89, 167,183.13 and 67,433.53

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Solution

The fourth proportional to 121,149.89, 167,183.13 and 67,433.53 is: 93,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,149.89 : 167,183.13 = 67,433.53 : x
  2. Step 2: Convert to fraction form
    121,149.89/167,183.13 = 67,433.53/x
  3. Step 3: Cross multiply
    121,149.89x = 167,183.13 × 67,433.53
  4. Step 4: Simplify right side
    121,149.89x = 11,273,748,194.39
  5. Step 5: Solve for x
    x = 11,273,748,194.39/121,149.89
  6. Step 6: Final answer
    x = 93,056.20

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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.