Home / 121,738.70-182,608.05-92,214.20

Finding the Fourth Proportional to 121,738.70, 182,608.05 and 92,214.20

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Solution

The fourth proportional to 121,738.70, 182,608.05 and 92,214.20 is: 138,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,738.70 : 182,608.05 = 92,214.20 : x
  2. Step 2: Convert to fraction form
    121,738.70/182,608.05 = 92,214.20/x
  3. Step 3: Cross multiply
    121,738.70x = 182,608.05 × 92,214.20
  4. Step 4: Simplify right side
    121,738.70x = 16,839,055,244.31
  5. Step 5: Solve for x
    x = 16,839,055,244.31/121,738.70
  6. Step 6: Final answer
    x = 138,321.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.