Finding the Fourth Proportional to 179,714.45, 248,005.23 and 99,146.99
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Solution
The fourth proportional to 179,714.45, 248,005.23 and 99,146.99 is: 136,822.45
Step by Step Solution
- Step 1: Write the proportion equation
179,714.45 : 248,005.23 = 99,146.99 : x - Step 2: Convert to fraction form
179,714.45/248,005.23 = 99,146.99/x - Step 3: Cross multiply
179,714.45x = 248,005.23 × 99,146.99 - Step 4: Simplify right side
179,714.45x = 24,588,970,818.73 - Step 5: Solve for x
x = 24,588,970,818.73/179,714.45 - Step 6: Final answer
x = 136,822.45
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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.