Home / 339,388.05-468,328.19-196,157.37

Finding the Fourth Proportional to 339,388.05, 468,328.19 and 196,157.37

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Solution

The fourth proportional to 339,388.05, 468,328.19 and 196,157.37 is: 270,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,388.05 : 468,328.19 = 196,157.37 : x
  2. Step 2: Convert to fraction form
    339,388.05/468,328.19 = 196,157.37/x
  3. Step 3: Cross multiply
    339,388.05x = 468,328.19 × 196,157.37
  4. Step 4: Simplify right side
    339,388.05x = 91,866,025,066.47
  5. Step 5: Solve for x
    x = 91,866,025,066.47/339,388.05
  6. Step 6: Final answer
    x = 270,681.38

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1.5x scale

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.