Finding the Fourth Proportional to 169,901.44, 234,464.14 and 93,421.80
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Solution
The fourth proportional to 169,901.44, 234,464.14 and 93,421.80 is: 128,922.17
Step by Step Solution
- Step 1: Write the proportion equation
169,901.44 : 234,464.14 = 93,421.80 : x - Step 2: Convert to fraction form
169,901.44/234,464.14 = 93,421.80/x - Step 3: Cross multiply
169,901.44x = 234,464.14 × 93,421.80 - Step 4: Simplify right side
169,901.44x = 21,904,061,994.25 - Step 5: Solve for x
x = 21,904,061,994.25/169,901.44 - Step 6: Final answer
x = 128,922.17
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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.