Finding the Fourth Proportional to 273,163.74, 376,968.19 and 152,313.20
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Solution
The fourth proportional to 273,163.74, 376,968.19 and 152,313.20 is: 210,193.45
Step by Step Solution
- Step 1: Write the proportion equation
273,163.74 : 376,968.19 = 152,313.20 : x - Step 2: Convert to fraction form
273,163.74/376,968.19 = 152,313.20/x - Step 3: Cross multiply
273,163.74x = 376,968.19 × 152,313.20 - Step 4: Simplify right side
273,163.74x = 57,417,229,432.27 - Step 5: Solve for x
x = 57,417,229,432.27/273,163.74 - Step 6: Final answer
x = 210,193.45
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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.