Finding the Fourth Proportional to 135,296.58, 186,556.46 and 101,195.79
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Solution
The fourth proportional to 135,296.58, 186,556.46 and 101,195.79 is: 139,535.89
Step by Step Solution
- Step 1: Write the proportion equation
135,296.58 : 186,556.46 = 101,195.79 : x - Step 2: Convert to fraction form
135,296.58/186,556.46 = 101,195.79/x - Step 3: Cross multiply
135,296.58x = 186,556.46 × 101,195.79 - Step 4: Simplify right side
135,296.58x = 18,878,728,349.30 - Step 5: Solve for x
x = 18,878,728,349.30/135,296.58 - Step 6: Final answer
x = 139,535.89
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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.