Finding the Fourth Proportional to 163,154.11, 244,721.29 and 97,015.13
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Solution
The fourth proportional to 163,154.11, 244,721.29 and 97,015.13 is: 145,516.82
Step by Step Solution
- Step 1: Write the proportion equation
163,154.11 : 244,721.29 = 97,015.13 : x - Step 2: Convert to fraction form
163,154.11/244,721.29 = 97,015.13/x - Step 3: Cross multiply
163,154.11x = 244,721.29 × 97,015.13 - Step 4: Simplify right side
163,154.11x = 23,741,667,763.12 - Step 5: Solve for x
x = 23,741,667,763.12/163,154.11 - Step 6: Final answer
x = 145,516.82
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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.