Home / 149,979.69-223,646.72-148,629.56

Finding the Fourth Proportional to 149,979.69, 223,646.72 and 148,629.56

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Solution

The fourth proportional to 149,979.69, 223,646.72 and 148,629.56 is: 221,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,979.69 : 223,646.72 = 148,629.56 : x
  2. Step 2: Convert to fraction form
    149,979.69/223,646.72 = 148,629.56/x
  3. Step 3: Cross multiply
    149,979.69x = 223,646.72 × 148,629.56
  4. Step 4: Simplify right side
    149,979.69x = 33,240,511,727.66
  5. Step 5: Solve for x
    x = 33,240,511,727.66/149,979.69
  6. Step 6: Final answer
    x = 221,633.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.