Home / 121,736.20-182,604.30-92,211.70

Finding the Fourth Proportional to 121,736.20, 182,604.30 and 92,211.70

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Solution

The fourth proportional to 121,736.20, 182,604.30 and 92,211.70 is: 138,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,736.20 : 182,604.30 = 92,211.70 : x
  2. Step 2: Convert to fraction form
    121,736.20/182,604.30 = 92,211.70/x
  3. Step 3: Cross multiply
    121,736.20x = 182,604.30 × 92,211.70
  4. Step 4: Simplify right side
    121,736.20x = 16,838,252,930.31
  5. Step 5: Solve for x
    x = 16,838,252,930.31/121,736.20
  6. Step 6: Final answer
    x = 138,317.55

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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.