Finding the Fourth Proportional to 120,860.46, 181,273.95 and 32,121.18
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Solution
The fourth proportional to 120,860.46, 181,273.95 and 32,121.18 is: 48,177.32
Step by Step Solution
- Step 1: Write the proportion equation
120,860.46 : 181,273.95 = 32,121.18 : x - Step 2: Convert to fraction form
120,860.46/181,273.95 = 32,121.18/x - Step 3: Cross multiply
120,860.46x = 181,273.95 × 32,121.18 - Step 4: Simplify right side
120,860.46x = 5,822,733,177.26 - Step 5: Solve for x
x = 5,822,733,177.26/120,860.46 - Step 6: Final answer
x = 48,177.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.