Home / 121,237.40-167,312.78-67,522.41

Finding the Fourth Proportional to 121,237.40, 167,312.78 and 67,522.41

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Solution

The fourth proportional to 121,237.40, 167,312.78 and 67,522.41 is: 93,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,237.40 : 167,312.78 = 67,522.41 : x
  2. Step 2: Convert to fraction form
    121,237.40/167,312.78 = 67,522.41/x
  3. Step 3: Cross multiply
    121,237.40x = 167,312.78 × 67,522.41
  4. Step 4: Simplify right side
    121,237.40x = 11,297,361,791.79
  5. Step 5: Solve for x
    x = 11,297,361,791.79/121,237.40
  6. Step 6: Final answer
    x = 93,183.81

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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.