Home / 121,194.60-167,205.26-70,179.48

Finding the Fourth Proportional to 121,194.60, 167,205.26 and 70,179.48

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Solution

The fourth proportional to 121,194.60, 167,205.26 and 70,179.48 is: 96,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,194.60 : 167,205.26 = 70,179.48 : x
  2. Step 2: Convert to fraction form
    121,194.60/167,205.26 = 70,179.48/x
  3. Step 3: Cross multiply
    121,194.60x = 167,205.26 × 70,179.48
  4. Step 4: Simplify right side
    121,194.60x = 11,734,378,200.06
  5. Step 5: Solve for x
    x = 11,734,378,200.06/121,194.60
  6. Step 6: Final answer
    x = 96,822.62

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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.