Home / 121,212.44-167,269.38-67,496.30

Finding the Fourth Proportional to 121,212.44, 167,269.38 and 67,496.30

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Solution

The fourth proportional to 121,212.44, 167,269.38 and 67,496.30 is: 93,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,212.44 : 167,269.38 = 67,496.30 : x
  2. Step 2: Convert to fraction form
    121,212.44/167,269.38 = 67,496.30/x
  3. Step 3: Cross multiply
    121,212.44x = 167,269.38 × 67,496.30
  4. Step 4: Simplify right side
    121,212.44x = 11,290,064,253.29
  5. Step 5: Solve for x
    x = 11,290,064,253.29/121,212.44
  6. Step 6: Final answer
    x = 93,142.79

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1.5x scale

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.