Finding the Fourth Proportional to 133,974.24, 184,687.08 and 102,087.84
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Solution
The fourth proportional to 133,974.24, 184,687.08 and 102,087.84 is: 140,730.82
Step by Step Solution
- Step 1: Write the proportion equation
133,974.24 : 184,687.08 = 102,087.84 : x - Step 2: Convert to fraction form
133,974.24/184,687.08 = 102,087.84/x - Step 3: Cross multiply
133,974.24x = 184,687.08 × 102,087.84 - Step 4: Simplify right side
133,974.24x = 18,854,305,073.11 - Step 5: Solve for x
x = 18,854,305,073.11/133,974.24 - Step 6: Final answer
x = 140,730.82
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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.