Finding the Fourth Proportional to 137,232.11, 205,971.18 and 114,882.68
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Solution
The fourth proportional to 137,232.11, 205,971.18 and 114,882.68 is: 172,427.00
Step by Step Solution
- Step 1: Write the proportion equation
137,232.11 : 205,971.18 = 114,882.68 : x - Step 2: Convert to fraction form
137,232.11/205,971.18 = 114,882.68/x - Step 3: Cross multiply
137,232.11x = 205,971.18 × 114,882.68 - Step 4: Simplify right side
137,232.11x = 23,662,521,676.09 - Step 5: Solve for x
x = 23,662,521,676.09/137,232.11 - Step 6: Final answer
x = 172,427.00
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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.