Finding the Fourth Proportional to 185,324.91, 278,294.90 and 115,647.09
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Solution
The fourth proportional to 185,324.91, 278,294.90 and 115,647.09 is: 173,662.54
Step by Step Solution
- Step 1: Write the proportion equation
185,324.91 : 278,294.90 = 115,647.09 : x - Step 2: Convert to fraction form
185,324.91/278,294.90 = 115,647.09/x - Step 3: Cross multiply
185,324.91x = 278,294.90 × 115,647.09 - Step 4: Simplify right side
185,324.91x = 32,183,994,768.61 - Step 5: Solve for x
x = 32,183,994,768.61/185,324.91 - Step 6: Final answer
x = 173,662.54
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1.5x scale
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.