Finding the Fourth Proportional to 166,477.49, 229,739.81 and 91,025.99
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Solution
The fourth proportional to 166,477.49, 229,739.81 and 91,025.99 is: 125,616.34
Step by Step Solution
- Step 1: Write the proportion equation
166,477.49 : 229,739.81 = 91,025.99 : x - Step 2: Convert to fraction form
166,477.49/229,739.81 = 91,025.99/x - Step 3: Cross multiply
166,477.49x = 229,739.81 × 91,025.99 - Step 4: Simplify right side
166,477.49x = 20,912,292,043.83 - Step 5: Solve for x
x = 20,912,292,043.83/166,477.49 - Step 6: Final answer
x = 125,616.34
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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.