Finding the Fourth Proportional to 163,750.71, 225,963.81 and 92,116.92
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Solution
The fourth proportional to 163,750.71, 225,963.81 and 92,116.92 is: 127,114.50
Step by Step Solution
- Step 1: Write the proportion equation
163,750.71 : 225,963.81 = 92,116.92 : x - Step 2: Convert to fraction form
163,750.71/225,963.81 = 92,116.92/x - Step 3: Cross multiply
163,750.71x = 225,963.81 × 92,116.92 - Step 4: Simplify right side
163,750.71x = 20,815,090,208.67 - Step 5: Solve for x
x = 20,815,090,208.67/163,750.71 - Step 6: Final answer
x = 127,114.50
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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.