Finding the Fourth Proportional to 166,480.99, 229,744.64 and 91,029.49
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Solution
The fourth proportional to 166,480.99, 229,744.64 and 91,029.49 is: 125,621.17
Step by Step Solution
- Step 1: Write the proportion equation
166,480.99 : 229,744.64 = 91,029.49 : x - Step 2: Convert to fraction form
166,480.99/229,744.64 = 91,029.49/x - Step 3: Cross multiply
166,480.99x = 229,744.64 × 91,029.49 - Step 4: Simplify right side
166,480.99x = 20,913,537,409.43 - Step 5: Solve for x
x = 20,913,537,409.43/166,480.99 - Step 6: Final answer
x = 125,621.17
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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.