Home / 336,736.58-505,187.89-100,079.21

Finding the Fourth Proportional to 336,736.58, 505,187.89 and 100,079.21

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Solution

The fourth proportional to 336,736.58, 505,187.89 and 100,079.21 is: 150,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,736.58 : 505,187.89 = 100,079.21 : x
  2. Step 2: Convert to fraction form
    336,736.58/505,187.89 = 100,079.21/x
  3. Step 3: Cross multiply
    336,736.58x = 505,187.89 × 100,079.21
  4. Step 4: Simplify right side
    336,736.58x = 50,558,805,945.54
  5. Step 5: Solve for x
    x = 50,558,805,945.54/336,736.58
  6. Step 6: Final answer
    x = 150,143.49

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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.