Finding the Fourth Proportional to 134,162.44, 185,135.20 and 73,731.79
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Solution
The fourth proportional to 134,162.44, 185,135.20 and 73,731.79 is: 101,744.94
Step by Step Solution
- Step 1: Write the proportion equation
134,162.44 : 185,135.20 = 73,731.79 : x - Step 2: Convert to fraction form
134,162.44/185,135.20 = 73,731.79/x - Step 3: Cross multiply
134,162.44x = 185,135.20 × 73,731.79 - Step 4: Simplify right side
134,162.44x = 13,650,349,688.01 - Step 5: Solve for x
x = 13,650,349,688.01/134,162.44 - Step 6: Final answer
x = 101,744.94
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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.