Finding the Fourth Proportional to 203,888.13, 281,365.62 and 114,464.13
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Solution
The fourth proportional to 203,888.13, 281,365.62 and 114,464.13 is: 157,960.50
Step by Step Solution
- Step 1: Write the proportion equation
203,888.13 : 281,365.62 = 114,464.13 : x - Step 2: Convert to fraction form
203,888.13/281,365.62 = 114,464.13/x - Step 3: Cross multiply
203,888.13x = 281,365.62 × 114,464.13 - Step 4: Simplify right side
203,888.13x = 32,206,270,905.21 - Step 5: Solve for x
x = 32,206,270,905.21/203,888.13 - Step 6: Final answer
x = 157,960.50
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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.