Finding the Fourth Proportional to 190,919.07, 263,452.86 and 110,351.79
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Solution
The fourth proportional to 190,919.07, 263,452.86 and 110,351.79 is: 152,276.54
Step by Step Solution
- Step 1: Write the proportion equation
190,919.07 : 263,452.86 = 110,351.79 : x - Step 2: Convert to fraction form
190,919.07/263,452.86 = 110,351.79/x - Step 3: Cross multiply
190,919.07x = 263,452.86 × 110,351.79 - Step 4: Simplify right side
190,919.07x = 29,072,494,681.62 - Step 5: Solve for x
x = 29,072,494,681.62/190,919.07 - Step 6: Final answer
x = 152,276.54
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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.