Home / 286,208.37-394,947.77-158,873.94

Finding the Fourth Proportional to 286,208.37, 394,947.77 and 158,873.94

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Solution

The fourth proportional to 286,208.37, 394,947.77 and 158,873.94 is: 219,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,208.37 : 394,947.77 = 158,873.94 : x
  2. Step 2: Convert to fraction form
    286,208.37/394,947.77 = 158,873.94/x
  3. Step 3: Cross multiply
    286,208.37x = 394,947.77 × 158,873.94
  4. Step 4: Simplify right side
    286,208.37x = 62,746,907,519.74
  5. Step 5: Solve for x
    x = 62,746,907,519.74/286,208.37
  6. Step 6: Final answer
    x = 219,235.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.