Finding the Fourth Proportional to 146,520.04, 202,163.70 and 101,237.80
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Solution
The fourth proportional to 146,520.04, 202,163.70 and 101,237.80 is: 139,684.70
Step by Step Solution
- Step 1: Write the proportion equation
146,520.04 : 202,163.70 = 101,237.80 : x - Step 2: Convert to fraction form
146,520.04/202,163.70 = 101,237.80/x - Step 3: Cross multiply
146,520.04x = 202,163.70 × 101,237.80 - Step 4: Simplify right side
146,520.04x = 20,466,608,227.86 - Step 5: Solve for x
x = 20,466,608,227.86/146,520.04 - Step 6: Final answer
x = 139,684.70
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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.