Home / 263,275.14-394,554.80-111,345.90

Finding the Fourth Proportional to 263,275.14, 394,554.80 and 111,345.90

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Solution

The fourth proportional to 263,275.14, 394,554.80 and 111,345.90 is: 166,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,275.14 : 394,554.80 = 111,345.90 : x
  2. Step 2: Convert to fraction form
    263,275.14/394,554.80 = 111,345.90/x
  3. Step 3: Cross multiply
    263,275.14x = 394,554.80 × 111,345.90
  4. Step 4: Simplify right side
    263,275.14x = 43,932,059,305.32
  5. Step 5: Solve for x
    x = 43,932,059,305.32/263,275.14
  6. Step 6: Final answer
    x = 166,867.48

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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.