Finding the Fourth Proportional to 211,840.24, 292,339.68 and 116,351.68
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Solution
The fourth proportional to 211,840.24, 292,339.68 and 116,351.68 is: 160,565.40
Step by Step Solution
- Step 1: Write the proportion equation
211,840.24 : 292,339.68 = 116,351.68 : x - Step 2: Convert to fraction form
211,840.24/292,339.68 = 116,351.68/x - Step 3: Cross multiply
211,840.24x = 292,339.68 × 116,351.68 - Step 4: Simplify right side
211,840.24x = 34,014,212,898.66 - Step 5: Solve for x
x = 34,014,212,898.66/211,840.24 - Step 6: Final answer
x = 160,565.40
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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.