Finding the Fourth Proportional to 246,415.28, 340,052.60 and 138,984.98
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Solution
The fourth proportional to 246,415.28, 340,052.60 and 138,984.98 is: 191,799.00
Step by Step Solution
- Step 1: Write the proportion equation
246,415.28 : 340,052.60 = 138,984.98 : x - Step 2: Convert to fraction form
246,415.28/340,052.60 = 138,984.98/x - Step 3: Cross multiply
246,415.28x = 340,052.60 × 138,984.98 - Step 4: Simplify right side
246,415.28x = 47,262,203,809.95 - Step 5: Solve for x
x = 47,262,203,809.95/246,415.28 - Step 6: Final answer
x = 191,799.00
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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.