Home / 144,596.49-199,514.81-90,850.38

Finding the Fourth Proportional to 144,596.49, 199,514.81 and 90,850.38

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Solution

The fourth proportional to 144,596.49, 199,514.81 and 90,850.38 is: 125,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,596.49 : 199,514.81 = 90,850.38 : x
  2. Step 2: Convert to fraction form
    144,596.49/199,514.81 = 90,850.38/x
  3. Step 3: Cross multiply
    144,596.49x = 199,514.81 × 90,850.38
  4. Step 4: Simplify right side
    144,596.49x = 18,125,995,849.88
  5. Step 5: Solve for x
    x = 18,125,995,849.88/144,596.49
  6. Step 6: Final answer
    x = 125,355.71

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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.