Home / 263,181.29-394,497.18-190,959.72

Finding the Fourth Proportional to 263,181.29, 394,497.18 and 190,959.72

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Solution

The fourth proportional to 263,181.29, 394,497.18 and 190,959.72 is: 286,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,181.29 : 394,497.18 = 190,959.72 : x
  2. Step 2: Convert to fraction form
    263,181.29/394,497.18 = 190,959.72/x
  3. Step 3: Cross multiply
    263,181.29x = 394,497.18 × 190,959.72
  4. Step 4: Simplify right side
    263,181.29x = 75,333,069,554.23
  5. Step 5: Solve for x
    x = 75,333,069,554.23/263,181.29
  6. Step 6: Final answer
    x = 286,240.22

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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.