Home / 121,238.40-167,314.16-67,523.41

Finding the Fourth Proportional to 121,238.40, 167,314.16 and 67,523.41

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Solution

The fourth proportional to 121,238.40, 167,314.16 and 67,523.41 is: 93,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,238.40 : 167,314.16 = 67,523.41 : x
  2. Step 2: Convert to fraction form
    121,238.40/167,314.16 = 67,523.41/x
  3. Step 3: Cross multiply
    121,238.40x = 167,314.16 × 67,523.41
  4. Step 4: Simplify right side
    121,238.40x = 11,297,622,624.49
  5. Step 5: Solve for x
    x = 11,297,622,624.49/121,238.40
  6. Step 6: Final answer
    x = 93,185.18

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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.