Home / 197,740.47-296,608.23-47,982

Finding the Fourth Proportional to 197,740.47, 296,608.23 and 47,982

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Solution

The fourth proportional to 197,740.47, 296,608.23 and 47,982 is: 71,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,740.47 : 296,608.23 = 47,982 : x
  2. Step 2: Convert to fraction form
    197,740.47/296,608.23 = 47,982/x
  3. Step 3: Cross multiply
    197,740.47x = 296,608.23 × 47,982
  4. Step 4: Simplify right side
    197,740.47x = 14,231,856,091.86
  5. Step 5: Solve for x
    x = 14,231,856,091.86/197,740.47
  6. Step 6: Final answer
    x = 71,972.40

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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.