Finding the Fourth Proportional to 207,248.23, 286,013.06 and 122,363.47
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Solution
The fourth proportional to 207,248.23, 286,013.06 and 122,363.47 is: 168,867.79
Step by Step Solution
- Step 1: Write the proportion equation
207,248.23 : 286,013.06 = 122,363.47 : x - Step 2: Convert to fraction form
207,248.23/286,013.06 = 122,363.47/x - Step 3: Cross multiply
207,248.23x = 286,013.06 × 122,363.47 - Step 4: Simplify right side
207,248.23x = 34,997,550,486.92 - Step 5: Solve for x
x = 34,997,550,486.92/207,248.23 - Step 6: Final answer
x = 168,867.79
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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.