Finding the Fourth Proportional to 134,799.40, 202,199.10 and 133,049.80
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Solution
The fourth proportional to 134,799.40, 202,199.10 and 133,049.80 is: 199,574.70
Step by Step Solution
- Step 1: Write the proportion equation
134,799.40 : 202,199.10 = 133,049.80 : x - Step 2: Convert to fraction form
134,799.40/202,199.10 = 133,049.80/x - Step 3: Cross multiply
134,799.40x = 202,199.10 × 133,049.80 - Step 4: Simplify right side
134,799.40x = 26,902,549,815.18 - Step 5: Solve for x
x = 26,902,549,815.18/134,799.40 - Step 6: Final answer
x = 199,574.70
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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.