Home / 121,444.70-167,593.38-67,729.80

Finding the Fourth Proportional to 121,444.70, 167,593.38 and 67,729.80

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Solution

The fourth proportional to 121,444.70, 167,593.38 and 67,729.80 is: 93,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,444.70 : 167,593.38 = 67,729.80 : x
  2. Step 2: Convert to fraction form
    121,444.70/167,593.38 = 67,729.80/x
  3. Step 3: Cross multiply
    121,444.70x = 167,593.38 × 67,729.80
  4. Step 4: Simplify right side
    121,444.70x = 11,351,066,108.72
  5. Step 5: Solve for x
    x = 11,351,066,108.72/121,444.70
  6. Step 6: Final answer
    x = 93,466.95

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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.