Home / 492,467.16-738,540.78-188,845.36

Finding the Fourth Proportional to 492,467.16, 738,540.78 and 188,845.36

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Solution

The fourth proportional to 492,467.16, 738,540.78 and 188,845.36 is: 283,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,467.16 : 738,540.78 = 188,845.36 : x
  2. Step 2: Convert to fraction form
    492,467.16/738,540.78 = 188,845.36/x
  3. Step 3: Cross multiply
    492,467.16x = 738,540.78 × 188,845.36
  4. Step 4: Simplify right side
    492,467.16x = 139,469,999,473.78
  5. Step 5: Solve for x
    x = 139,469,999,473.78/492,467.16
  6. Step 6: Final answer
    x = 283,206.70

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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.