Home / 351,266.45-484,747.67-190,121.47

Finding the Fourth Proportional to 351,266.45, 484,747.67 and 190,121.47

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Solution

The fourth proportional to 351,266.45, 484,747.67 and 190,121.47 is: 262,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,266.45 : 484,747.67 = 190,121.47 : x
  2. Step 2: Convert to fraction form
    351,266.45/484,747.67 = 190,121.47/x
  3. Step 3: Cross multiply
    351,266.45x = 484,747.67 × 190,121.47
  4. Step 4: Simplify right side
    351,266.45x = 92,160,938,648.87
  5. Step 5: Solve for x
    x = 92,160,938,648.87/351,266.45
  6. Step 6: Final answer
    x = 262,367.61

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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.