Finding the Fourth Proportional to 286,548.36, 429,231.84 and 167,859.84
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Solution
The fourth proportional to 286,548.36, 429,231.84 and 167,859.84 is: 251,443.73
Step by Step Solution
- Step 1: Write the proportion equation
286,548.36 : 429,231.84 = 167,859.84 : x - Step 2: Convert to fraction form
286,548.36/429,231.84 = 167,859.84/x - Step 3: Cross multiply
286,548.36x = 429,231.84 × 167,859.84 - Step 4: Simplify right side
286,548.36x = 72,050,787,985.31 - Step 5: Solve for x
x = 72,050,787,985.31/286,548.36 - Step 6: Final answer
x = 251,443.73
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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.