Home / 118,361.58-177,583.82-73,936.32

Finding the Fourth Proportional to 118,361.58, 177,583.82 and 73,936.32

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Solution

The fourth proportional to 118,361.58, 177,583.82 and 73,936.32 is: 110,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,361.58 : 177,583.82 = 73,936.32 : x
  2. Step 2: Convert to fraction form
    118,361.58/177,583.82 = 73,936.32/x
  3. Step 3: Cross multiply
    118,361.58x = 177,583.82 × 73,936.32
  4. Step 4: Simplify right side
    118,361.58x = 13,129,894,142.34
  5. Step 5: Solve for x
    x = 13,129,894,142.34/118,361.58
  6. Step 6: Final answer
    x = 110,930.37

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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.