Finding the Fourth Proportional to 163,753.53, 225,981.95 and 92,133.69
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Solution
The fourth proportional to 163,753.53, 225,981.95 and 92,133.69 is: 127,145.66
Step by Step Solution
- Step 1: Write the proportion equation
163,753.53 : 225,981.95 = 92,133.69 : x - Step 2: Convert to fraction form
163,753.53/225,981.95 = 92,133.69/x - Step 3: Cross multiply
163,753.53x = 225,981.95 × 92,133.69 - Step 4: Simplify right side
163,753.53x = 20,820,550,466.23 - Step 5: Solve for x
x = 20,820,550,466.23/163,753.53 - Step 6: Final answer
x = 127,145.66
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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.