Finding the Fourth Proportional to 226,023.12, 311,905.80 and 124,048.44
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Solution
The fourth proportional to 226,023.12, 311,905.80 and 124,048.44 is: 171,183.50
Step by Step Solution
- Step 1: Write the proportion equation
226,023.12 : 311,905.80 = 124,048.44 : x - Step 2: Convert to fraction form
226,023.12/311,905.80 = 124,048.44/x - Step 3: Cross multiply
226,023.12x = 311,905.80 × 124,048.44 - Step 4: Simplify right side
226,023.12x = 38,691,427,916.95 - Step 5: Solve for x
x = 38,691,427,916.95/226,023.12 - Step 6: Final answer
x = 171,183.50
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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.