Home / 121,182.52-167,236.78-70,194.44

Finding the Fourth Proportional to 121,182.52, 167,236.78 and 70,194.44

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Solution

The fourth proportional to 121,182.52, 167,236.78 and 70,194.44 is: 96,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.52 : 167,236.78 = 70,194.44 : x
  2. Step 2: Convert to fraction form
    121,182.52/167,236.78 = 70,194.44/x
  3. Step 3: Cross multiply
    121,182.52x = 167,236.78 × 70,194.44
  4. Step 4: Simplify right side
    121,182.52x = 11,739,092,119.50
  5. Step 5: Solve for x
    x = 11,739,092,119.50/121,182.52
  6. Step 6: Final answer
    x = 96,871.17

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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.