Finding the Fourth Proportional to 275,955.21, 413,852.87 and 107,437.98
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Solution
The fourth proportional to 275,955.21, 413,852.87 and 107,437.98 is: 161,125.84
Step by Step Solution
- Step 1: Write the proportion equation
275,955.21 : 413,852.87 = 107,437.98 : x - Step 2: Convert to fraction form
275,955.21/413,852.87 = 107,437.98/x - Step 3: Cross multiply
275,955.21x = 413,852.87 × 107,437.98 - Step 4: Simplify right side
275,955.21x = 44,463,515,832.81 - Step 5: Solve for x
x = 44,463,515,832.81/275,955.21 - Step 6: Final answer
x = 161,125.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.