Finding the Fourth Proportional to 193,873.84, 267,543.26 and 107,831.99
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Solution
The fourth proportional to 193,873.84, 267,543.26 and 107,831.99 is: 148,806.68
Step by Step Solution
- Step 1: Write the proportion equation
193,873.84 : 267,543.26 = 107,831.99 : x - Step 2: Convert to fraction form
193,873.84/267,543.26 = 107,831.99/x - Step 3: Cross multiply
193,873.84x = 267,543.26 × 107,831.99 - Step 4: Simplify right side
193,873.84x = 28,849,722,136.89 - Step 5: Solve for x
x = 28,849,722,136.89/193,873.84 - Step 6: Final answer
x = 148,806.68
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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.