Home / 197,091.61-271,986.35-106,447.55

Finding the Fourth Proportional to 197,091.61, 271,986.35 and 106,447.55

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Solution

The fourth proportional to 197,091.61, 271,986.35 and 106,447.55 is: 146,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,091.61 : 271,986.35 = 106,447.55 : x
  2. Step 2: Convert to fraction form
    197,091.61/271,986.35 = 106,447.55/x
  3. Step 3: Cross multiply
    197,091.61x = 271,986.35 × 106,447.55
  4. Step 4: Simplify right side
    197,091.61x = 28,952,280,590.94
  5. Step 5: Solve for x
    x = 28,952,280,590.94/197,091.61
  6. Step 6: Final answer
    x = 146,897.58

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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.