Finding the Fourth Proportional to 193,094.33, 289,701.98 and 86,567.63
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Solution
The fourth proportional to 193,094.33, 289,701.98 and 86,567.63 is: 129,878.56
Step by Step Solution
- Step 1: Write the proportion equation
193,094.33 : 289,701.98 = 86,567.63 : x - Step 2: Convert to fraction form
193,094.33/289,701.98 = 86,567.63/x - Step 3: Cross multiply
193,094.33x = 289,701.98 × 86,567.63 - Step 4: Simplify right side
193,094.33x = 25,078,811,933.56 - Step 5: Solve for x
x = 25,078,811,933.56/193,094.33 - Step 6: Final answer
x = 129,878.56
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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.