Finding the Fourth Proportional to 105,775.36, 158,662.36 and 26,889.44
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Solution
The fourth proportional to 105,775.36, 158,662.36 and 26,889.44 is: 40,333.99
Step by Step Solution
- Step 1: Write the proportion equation
105,775.36 : 158,662.36 = 26,889.44 : x - Step 2: Convert to fraction form
105,775.36/158,662.36 = 26,889.44/x - Step 3: Cross multiply
105,775.36x = 158,662.36 × 26,889.44 - Step 4: Simplify right side
105,775.36x = 4,266,342,009.48 - Step 5: Solve for x
x = 4,266,342,009.48/105,775.36 - Step 6: Final answer
x = 40,333.99
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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.