Finding the Fourth Proportional to 173,313.20, 259,678.20 and 148,235.60
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Solution
The fourth proportional to 173,313.20, 259,678.20 and 148,235.60 is: 222,103.99
Step by Step Solution
- Step 1: Write the proportion equation
173,313.20 : 259,678.20 = 148,235.60 : x - Step 2: Convert to fraction form
173,313.20/259,678.20 = 148,235.60/x - Step 3: Cross multiply
173,313.20x = 259,678.20 × 148,235.60 - Step 4: Simplify right side
173,313.20x = 38,493,553,783.92 - Step 5: Solve for x
x = 38,493,553,783.92/173,313.20 - Step 6: Final answer
x = 222,103.99
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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.