Finding the Fourth Proportional to 189,680.24, 261,676.50 and 114,185
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Solution
The fourth proportional to 189,680.24, 261,676.50 and 114,185 is: 157,525.80
Step by Step Solution
- Step 1: Write the proportion equation
189,680.24 : 261,676.50 = 114,185 : x - Step 2: Convert to fraction form
189,680.24/261,676.50 = 114,185/x - Step 3: Cross multiply
189,680.24x = 261,676.50 × 114,185 - Step 4: Simplify right side
189,680.24x = 29,879,531,152.50 - Step 5: Solve for x
x = 29,879,531,152.50/189,680.24 - Step 6: Final answer
x = 157,525.80
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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.