Home / 199,336.38-299,055.08-66,217.33

Finding the Fourth Proportional to 199,336.38, 299,055.08 and 66,217.33

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Solution

The fourth proportional to 199,336.38, 299,055.08 and 66,217.33 is: 99,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,336.38 : 299,055.08 = 66,217.33 : x
  2. Step 2: Convert to fraction form
    199,336.38/299,055.08 = 66,217.33/x
  3. Step 3: Cross multiply
    199,336.38x = 299,055.08 × 66,217.33
  4. Step 4: Simplify right side
    199,336.38x = 19,802,628,589.45
  5. Step 5: Solve for x
    x = 19,802,628,589.45/199,336.38
  6. Step 6: Final answer
    x = 99,342.77

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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.