Home / 131,469.17-197,085.74-47,209.83

Finding the Fourth Proportional to 131,469.17, 197,085.74 and 47,209.83

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Solution

The fourth proportional to 131,469.17, 197,085.74 and 47,209.83 is: 70,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,469.17 : 197,085.74 = 47,209.83 : x
  2. Step 2: Convert to fraction form
    131,469.17/197,085.74 = 47,209.83/x
  3. Step 3: Cross multiply
    131,469.17x = 197,085.74 × 47,209.83
  4. Step 4: Simplify right side
    131,469.17x = 9,304,383,295.40
  5. Step 5: Solve for x
    x = 9,304,383,295.40/131,469.17
  6. Step 6: Final answer
    x = 70,772.36

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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.