Home / 121,221.14-167,273.24-67,504.10

Finding the Fourth Proportional to 121,221.14, 167,273.24 and 67,504.10

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Solution

The fourth proportional to 121,221.14, 167,273.24 and 67,504.10 is: 93,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,221.14 : 167,273.24 = 67,504.10 : x
  2. Step 2: Convert to fraction form
    121,221.14/167,273.24 = 67,504.10/x
  3. Step 3: Cross multiply
    121,221.14x = 167,273.24 × 67,504.10
  4. Step 4: Simplify right side
    121,221.14x = 11,291,629,520.28
  5. Step 5: Solve for x
    x = 11,291,629,520.28/121,221.14
  6. Step 6: Final answer
    x = 93,149.01

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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.