Home / 181,361.70-272,137.05-86,698.62

Finding the Fourth Proportional to 181,361.70, 272,137.05 and 86,698.62

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Solution

The fourth proportional to 181,361.70, 272,137.05 and 86,698.62 is: 130,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,361.70 : 272,137.05 = 86,698.62 : x
  2. Step 2: Convert to fraction form
    181,361.70/272,137.05 = 86,698.62/x
  3. Step 3: Cross multiply
    181,361.70x = 272,137.05 × 86,698.62
  4. Step 4: Simplify right side
    181,361.70x = 23,593,906,685.87
  5. Step 5: Solve for x
    x = 23,593,906,685.87/181,361.70
  6. Step 6: Final answer
    x = 130,093.11

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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.