Finding the Fourth Proportional to 193,132.44, 266,535.09 and 107,101.26
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Solution
The fourth proportional to 193,132.44, 266,535.09 and 107,101.26 is: 147,806.57
Step by Step Solution
- Step 1: Write the proportion equation
193,132.44 : 266,535.09 = 107,101.26 : x - Step 2: Convert to fraction form
193,132.44/266,535.09 = 107,101.26/x - Step 3: Cross multiply
193,132.44x = 266,535.09 × 107,101.26 - Step 4: Simplify right side
193,132.44x = 28,546,243,973.21 - Step 5: Solve for x
x = 28,546,243,973.21/193,132.44 - Step 6: Final answer
x = 147,806.57
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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.