Home / 121,233.96-167,302.92-67,529.28

Finding the Fourth Proportional to 121,233.96, 167,302.92 and 67,529.28

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Solution

The fourth proportional to 121,233.96, 167,302.92 and 67,529.28 is: 93,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,233.96 : 167,302.92 = 67,529.28 : x
  2. Step 2: Convert to fraction form
    121,233.96/167,302.92 = 67,529.28/x
  3. Step 3: Cross multiply
    121,233.96x = 167,302.92 × 67,529.28
  4. Step 4: Simplify right side
    121,233.96x = 11,297,845,729.50
  5. Step 5: Solve for x
    x = 11,297,845,729.50/121,233.96
  6. Step 6: Final answer
    x = 93,190.44

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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.