Home / 336,786.36-505,259.97-112,148.74

Finding the Fourth Proportional to 336,786.36, 505,259.97 and 112,148.74

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Solution

The fourth proportional to 336,786.36, 505,259.97 and 112,148.74 is: 168,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,786.36 : 505,259.97 = 112,148.74 : x
  2. Step 2: Convert to fraction form
    336,786.36/505,259.97 = 112,148.74/x
  3. Step 3: Cross multiply
    336,786.36x = 505,259.97 × 112,148.74
  4. Step 4: Simplify right side
    336,786.36x = 56,664,269,007.94
  5. Step 5: Solve for x
    x = 56,664,269,007.94/336,786.36
  6. Step 6: Final answer
    x = 168,249.89

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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.