Finding the Fourth Proportional to 201,236.12, 277,689.60 and 116,358.68
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Solution
The fourth proportional to 201,236.12, 277,689.60 and 116,358.68 is: 160,565.58
Step by Step Solution
- Step 1: Write the proportion equation
201,236.12 : 277,689.60 = 116,358.68 : x - Step 2: Convert to fraction form
201,236.12/277,689.60 = 116,358.68/x - Step 3: Cross multiply
201,236.12x = 277,689.60 × 116,358.68 - Step 4: Simplify right side
201,236.12x = 32,311,595,305.73 - Step 5: Solve for x
x = 32,311,595,305.73/201,236.12 - Step 6: Final answer
x = 160,565.58
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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.