Home / 356,315.14-491,714.69-195,180.18

Finding the Fourth Proportional to 356,315.14, 491,714.69 and 195,180.18

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Solution

The fourth proportional to 356,315.14, 491,714.69 and 195,180.18 is: 269,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,315.14 : 491,714.69 = 195,180.18 : x
  2. Step 2: Convert to fraction form
    356,315.14/491,714.69 = 195,180.18/x
  3. Step 3: Cross multiply
    356,315.14x = 491,714.69 × 195,180.18
  4. Step 4: Simplify right side
    356,315.14x = 95,972,961,702.84
  5. Step 5: Solve for x
    x = 95,972,961,702.84/356,315.14
  6. Step 6: Final answer
    x = 269,348.54

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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.