Finding the Fourth Proportional to 146,393.24, 202,020.99 and 79,325.24
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Solution
The fourth proportional to 146,393.24, 202,020.99 and 79,325.24 is: 109,467.92
Step by Step Solution
- Step 1: Write the proportion equation
146,393.24 : 202,020.99 = 79,325.24 : x - Step 2: Convert to fraction form
146,393.24/202,020.99 = 79,325.24/x - Step 3: Cross multiply
146,393.24x = 202,020.99 × 79,325.24 - Step 4: Simplify right side
146,393.24x = 16,025,362,506.68 - Step 5: Solve for x
x = 16,025,362,506.68/146,393.24 - Step 6: Final answer
x = 109,467.92
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1.5x scale
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.