Finding the Fourth Proportional to 113,208.44, 156,229.08 and 62,226.74
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Solution
The fourth proportional to 113,208.44, 156,229.08 and 62,226.74 is: 85,873.69
Step by Step Solution
- Step 1: Write the proportion equation
113,208.44 : 156,229.08 = 62,226.74 : x - Step 2: Convert to fraction form
113,208.44/156,229.08 = 62,226.74/x - Step 3: Cross multiply
113,208.44x = 156,229.08 × 62,226.74 - Step 4: Simplify right side
113,208.44x = 9,721,626,341.60 - Step 5: Solve for x
x = 9,721,626,341.60/113,208.44 - Step 6: Final answer
x = 85,873.69
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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.