Finding the Fourth Proportional to 249,992.40, 374,914.20 and 136,122
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Solution
The fourth proportional to 249,992.40, 374,914.20 and 136,122 is: 204,142.49
Step by Step Solution
- Step 1: Write the proportion equation
249,992.40 : 374,914.20 = 136,122 : x - Step 2: Convert to fraction form
249,992.40/374,914.20 = 136,122/x - Step 3: Cross multiply
249,992.40x = 374,914.20 × 136,122 - Step 4: Simplify right side
249,992.40x = 51,034,070,732.40 - Step 5: Solve for x
x = 51,034,070,732.40/249,992.40 - Step 6: Final answer
x = 204,142.49
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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.