Finding the Fourth Proportional to 207,362.24, 286,187.40 and 116,735.96
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Solution
The fourth proportional to 207,362.24, 286,187.40 and 116,735.96 is: 161,111.11
Step by Step Solution
- Step 1: Write the proportion equation
207,362.24 : 286,187.40 = 116,735.96 : x - Step 2: Convert to fraction form
207,362.24/286,187.40 = 116,735.96/x - Step 3: Cross multiply
207,362.24x = 286,187.40 × 116,735.96 - Step 4: Simplify right side
207,362.24x = 33,408,360,878.90 - Step 5: Solve for x
x = 33,408,360,878.90/207,362.24 - Step 6: Final answer
x = 161,111.11
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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.