Finding the Fourth Proportional to 192,557.16, 265,729.68 and 107,674.20
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Solution
The fourth proportional to 192,557.16, 265,729.68 and 107,674.20 is: 148,590.84
Step by Step Solution
- Step 1: Write the proportion equation
192,557.16 : 265,729.68 = 107,674.20 : x - Step 2: Convert to fraction form
192,557.16/265,729.68 = 107,674.20/x - Step 3: Cross multiply
192,557.16x = 265,729.68 × 107,674.20 - Step 4: Simplify right side
192,557.16x = 28,612,230,710.26 - Step 5: Solve for x
x = 28,612,230,710.26/192,557.16 - Step 6: Final answer
x = 148,590.84
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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.