Home / 141,644.62-195,469.02-77,982.46

Finding the Fourth Proportional to 141,644.62, 195,469.02 and 77,982.46

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Solution

The fourth proportional to 141,644.62, 195,469.02 and 77,982.46 is: 107,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,644.62 : 195,469.02 = 77,982.46 : x
  2. Step 2: Convert to fraction form
    141,644.62/195,469.02 = 77,982.46/x
  3. Step 3: Cross multiply
    141,644.62x = 195,469.02 × 77,982.46
  4. Step 4: Simplify right side
    141,644.62x = 15,243,155,033.39
  5. Step 5: Solve for x
    x = 15,243,155,033.39/141,644.62
  6. Step 6: Final answer
    x = 107,615.49

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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.