Home / 197,095.50-271,992.20-112,212.56

Finding the Fourth Proportional to 197,095.50, 271,992.20 and 112,212.56

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Solution

The fourth proportional to 197,095.50, 271,992.20 and 112,212.56 is: 154,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,095.50 : 271,992.20 = 112,212.56 : x
  2. Step 2: Convert to fraction form
    197,095.50/271,992.20 = 112,212.56/x
  3. Step 3: Cross multiply
    197,095.50x = 271,992.20 × 112,212.56
  4. Step 4: Simplify right side
    197,095.50x = 30,520,941,180.95
  5. Step 5: Solve for x
    x = 30,520,941,180.95/197,095.50
  6. Step 6: Final answer
    x = 154,853.57

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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.