Finding the Fourth Proportional to 153,194.48, 229,791.84 and 48,021.64
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Solution
The fourth proportional to 153,194.48, 229,791.84 and 48,021.64 is: 72,032.50
Step by Step Solution
- Step 1: Write the proportion equation
153,194.48 : 229,791.84 = 48,021.64 : x - Step 2: Convert to fraction form
153,194.48/229,791.84 = 48,021.64/x - Step 3: Cross multiply
153,194.48x = 229,791.84 × 48,021.64 - Step 4: Simplify right side
153,194.48x = 11,034,981,015.42 - Step 5: Solve for x
x = 11,034,981,015.42/153,194.48 - Step 6: Final answer
x = 72,032.50
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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.