Finding the Fourth Proportional to 140,493.41, 193,822.08 and 92,106.95
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Solution
The fourth proportional to 140,493.41, 193,822.08 and 92,106.95 is: 127,069.02
Step by Step Solution
- Step 1: Write the proportion equation
140,493.41 : 193,822.08 = 92,106.95 : x - Step 2: Convert to fraction form
140,493.41/193,822.08 = 92,106.95/x - Step 3: Cross multiply
140,493.41x = 193,822.08 × 92,106.95 - Step 4: Simplify right side
140,493.41x = 17,852,359,662.35 - Step 5: Solve for x
x = 17,852,359,662.35/140,493.41 - Step 6: Final answer
x = 127,069.02
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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.