Finding the Fourth Proportional to 97,439.12, 146,167.97 and 27,318.23
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Solution
The fourth proportional to 97,439.12, 146,167.97 and 27,318.23 is: 40,979.94
Step by Step Solution
- Step 1: Write the proportion equation
97,439.12 : 146,167.97 = 27,318.23 : x - Step 2: Convert to fraction form
97,439.12/146,167.97 = 27,318.23/x - Step 3: Cross multiply
97,439.12x = 146,167.97 × 27,318.23 - Step 4: Simplify right side
97,439.12x = 3,993,049,355.66 - Step 5: Solve for x
x = 3,993,049,355.66/97,439.12 - Step 6: Final answer
x = 40,979.94
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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.