Home / 197,045.50-271,922.82-107,621.50

Finding the Fourth Proportional to 197,045.50, 271,922.82 and 107,621.50

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Solution

The fourth proportional to 197,045.50, 271,922.82 and 107,621.50 is: 148,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,045.50 : 271,922.82 = 107,621.50 : x
  2. Step 2: Convert to fraction form
    197,045.50/271,922.82 = 107,621.50/x
  3. Step 3: Cross multiply
    197,045.50x = 271,922.82 × 107,621.50
  4. Step 4: Simplify right side
    197,045.50x = 29,264,741,772.63
  5. Step 5: Solve for x
    x = 29,264,741,772.63/197,045.50
  6. Step 6: Final answer
    x = 148,517.69

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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.