Finding the Fourth Proportional to 190,893.81, 286,214.35 and 91,069.41
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Solution
The fourth proportional to 190,893.81, 286,214.35 and 91,069.41 is: 136,543.83
Step by Step Solution
- Step 1: Write the proportion equation
190,893.81 : 286,214.35 = 91,069.41 : x - Step 2: Convert to fraction form
190,893.81/286,214.35 = 91,069.41/x - Step 3: Cross multiply
190,893.81x = 286,214.35 × 91,069.41 - Step 4: Simplify right side
190,893.81x = 26,065,371,988.03 - Step 5: Solve for x
x = 26,065,371,988.03/190,893.81 - Step 6: Final answer
x = 136,543.83
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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.