Finding the Fourth Proportional to 193,091.18, 289,259.70 and 91,745.00
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Solution
The fourth proportional to 193,091.18, 289,259.70 and 91,745.00 is: 137,438.34
Step by Step Solution
- Step 1: Write the proportion equation
193,091.18 : 289,259.70 = 91,745.00 : x - Step 2: Convert to fraction form
193,091.18/289,259.70 = 91,745.00/x - Step 3: Cross multiply
193,091.18x = 289,259.70 × 91,745.00 - Step 4: Simplify right side
193,091.18x = 26,538,130,814.93 - Step 5: Solve for x
x = 26,538,130,814.93/193,091.18 - Step 6: Final answer
x = 137,438.34
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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.