Home / 144,939.69-200,291.27-109,067.22

Finding the Fourth Proportional to 144,939.69, 200,291.27 and 109,067.22

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Solution

The fourth proportional to 144,939.69, 200,291.27 and 109,067.22 is: 150,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,939.69 : 200,291.27 = 109,067.22 : x
  2. Step 2: Convert to fraction form
    144,939.69/200,291.27 = 109,067.22/x
  3. Step 3: Cross multiply
    144,939.69x = 200,291.27 × 109,067.22
  4. Step 4: Simplify right side
    144,939.69x = 21,845,211,463.83
  5. Step 5: Solve for x
    x = 21,845,211,463.83/144,939.69
  6. Step 6: Final answer
    x = 150,719.32

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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.