Home / 313,822.97-470,469.18-136,196.45

Finding the Fourth Proportional to 313,822.97, 470,469.18 and 136,196.45

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Solution

The fourth proportional to 313,822.97, 470,469.18 and 136,196.45 is: 204,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,822.97 : 470,469.18 = 136,196.45 : x
  2. Step 2: Convert to fraction form
    313,822.97/470,469.18 = 136,196.45/x
  3. Step 3: Cross multiply
    313,822.97x = 470,469.18 × 136,196.45
  4. Step 4: Simplify right side
    313,822.97x = 64,076,232,150.41
  5. Step 5: Solve for x
    x = 64,076,232,150.41/313,822.97
  6. Step 6: Final answer
    x = 204,179.55

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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.