Finding the Fourth Proportional to 146,393.99, 202,022.02 and 79,325.99
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Solution
The fourth proportional to 146,393.99, 202,022.02 and 79,325.99 is: 109,468.95
Step by Step Solution
- Step 1: Write the proportion equation
146,393.99 : 202,022.02 = 79,325.99 : x - Step 2: Convert to fraction form
146,393.99/202,022.02 = 79,325.99/x - Step 3: Cross multiply
146,393.99x = 202,022.02 × 79,325.99 - Step 4: Simplify right side
146,393.99x = 16,025,595,529.87 - Step 5: Solve for x
x = 16,025,595,529.87/146,393.99 - Step 6: Final answer
x = 109,468.95
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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.