Finding the Fourth Proportional to 197,742.99, 272,883.94 and 107,096.88
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Solution
The fourth proportional to 197,742.99, 272,883.94 and 107,096.88 is: 147,792.94
Step by Step Solution
- Step 1: Write the proportion equation
197,742.99 : 272,883.94 = 107,096.88 : x - Step 2: Convert to fraction form
197,742.99/272,883.94 = 107,096.88/x - Step 3: Cross multiply
197,742.99x = 272,883.94 × 107,096.88 - Step 4: Simplify right side
197,742.99x = 29,225,018,576.11 - Step 5: Solve for x
x = 29,225,018,576.11/197,742.99 - Step 6: Final answer
x = 147,792.94
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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.