Finding the Fourth Proportional to 134,827.82, 202,176.11 and 71,678.19
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Solution
The fourth proportional to 134,827.82, 202,176.11 and 71,678.19 is: 107,482.40
Step by Step Solution
- Step 1: Write the proportion equation
134,827.82 : 202,176.11 = 71,678.19 : x - Step 2: Convert to fraction form
134,827.82/202,176.11 = 71,678.19/x - Step 3: Cross multiply
134,827.82x = 202,176.11 × 71,678.19 - Step 4: Simplify right side
134,827.82x = 14,491,617,626.04 - Step 5: Solve for x
x = 14,491,617,626.04/134,827.82 - Step 6: Final answer
x = 107,482.40
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1.5x scale
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.