Finding the Fourth Proportional to 163,852.08, 226,132.88 and 100,232.20
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Solution
The fourth proportional to 163,852.08, 226,132.88 and 100,232.20 is: 138,330.84
Step by Step Solution
- Step 1: Write the proportion equation
163,852.08 : 226,132.88 = 100,232.20 : x - Step 2: Convert to fraction form
163,852.08/226,132.88 = 100,232.20/x - Step 3: Cross multiply
163,852.08x = 226,132.88 × 100,232.20 - Step 4: Simplify right side
163,852.08x = 22,665,796,054.74 - Step 5: Solve for x
x = 22,665,796,054.74/163,852.08 - Step 6: Final answer
x = 138,330.84
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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.