Finding the Fourth Proportional to 134,716.86, 201,943.26 and 114,771.42
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Solution
The fourth proportional to 134,716.86, 201,943.26 and 114,771.42 is: 172,044.65
Step by Step Solution
- Step 1: Write the proportion equation
134,716.86 : 201,943.26 = 114,771.42 : x - Step 2: Convert to fraction form
134,716.86/201,943.26 = 114,771.42/x - Step 3: Cross multiply
134,716.86x = 201,943.26 × 114,771.42 - Step 4: Simplify right side
134,716.86x = 23,177,314,709.63 - Step 5: Solve for x
x = 23,177,314,709.63/134,716.86 - Step 6: Final answer
x = 172,044.65
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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.