Finding the Fourth Proportional to 133,841.67, 184,918.46 and 113,909.19
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Solution
The fourth proportional to 133,841.67, 184,918.46 and 113,909.19 is: 157,379.32
Step by Step Solution
- Step 1: Write the proportion equation
133,841.67 : 184,918.46 = 113,909.19 : x - Step 2: Convert to fraction form
133,841.67/184,918.46 = 113,909.19/x - Step 3: Cross multiply
133,841.67x = 184,918.46 × 113,909.19 - Step 4: Simplify right side
133,841.67x = 21,063,911,425.10 - Step 5: Solve for x
x = 21,063,911,425.10/133,841.67 - Step 6: Final answer
x = 157,379.32
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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.