Home / 199,743.44-299,616.32-66,623.36

Finding the Fourth Proportional to 199,743.44, 299,616.32 and 66,623.36

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Solution

The fourth proportional to 199,743.44, 299,616.32 and 66,623.36 is: 99,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,743.44 : 299,616.32 = 66,623.36 : x
  2. Step 2: Convert to fraction form
    199,743.44/299,616.32 = 66,623.36/x
  3. Step 3: Cross multiply
    199,743.44x = 299,616.32 × 66,623.36
  4. Step 4: Simplify right side
    199,743.44x = 19,961,444,617.71
  5. Step 5: Solve for x
    x = 19,961,444,617.71/199,743.44
  6. Step 6: Final answer
    x = 99,935.42

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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.