Finding the Fourth Proportional to 168,614.46, 232,796.43 and 108,211.14
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Solution
The fourth proportional to 168,614.46, 232,796.43 and 108,211.14 is: 149,400.99
Step by Step Solution
- Step 1: Write the proportion equation
168,614.46 : 232,796.43 = 108,211.14 : x - Step 2: Convert to fraction form
168,614.46/232,796.43 = 108,211.14/x - Step 3: Cross multiply
168,614.46x = 232,796.43 × 108,211.14 - Step 4: Simplify right side
168,614.46x = 25,191,167,078.23 - Step 5: Solve for x
x = 25,191,167,078.23/168,614.46 - Step 6: Final answer
x = 149,400.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.