Home / 351,266.20-484,747.32-190,121.22

Finding the Fourth Proportional to 351,266.20, 484,747.32 and 190,121.22

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Solution

The fourth proportional to 351,266.20, 484,747.32 and 190,121.22 is: 262,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,266.20 : 484,747.32 = 190,121.22 : x
  2. Step 2: Convert to fraction form
    351,266.20/484,747.32 = 190,121.22/x
  3. Step 3: Cross multiply
    351,266.20x = 484,747.32 × 190,121.22
  4. Step 4: Simplify right side
    351,266.20x = 92,160,751,870.13
  5. Step 5: Solve for x
    x = 92,160,751,870.13/351,266.20
  6. Step 6: Final answer
    x = 262,367.26

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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.