Finding the Fourth Proportional to 163,905.46, 226,170.84 and 92,283.64
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Solution
The fourth proportional to 163,905.46, 226,170.84 and 92,283.64 is: 127,340.90
Step by Step Solution
- Step 1: Write the proportion equation
163,905.46 : 226,170.84 = 92,283.64 : x - Step 2: Convert to fraction form
163,905.46/226,170.84 = 92,283.64/x - Step 3: Cross multiply
163,905.46x = 226,170.84 × 92,283.64 - Step 4: Simplify right side
163,905.46x = 20,871,868,377.06 - Step 5: Solve for x
x = 20,871,868,377.06/163,905.46 - Step 6: Final answer
x = 127,340.90
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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.