Finding the Fourth Proportional to 166,656.78, 229,747.08 and 118,827.09
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Solution
The fourth proportional to 166,656.78, 229,747.08 and 118,827.09 is: 163,810.78
Step by Step Solution
- Step 1: Write the proportion equation
166,656.78 : 229,747.08 = 118,827.09 : x - Step 2: Convert to fraction form
166,656.78/229,747.08 = 118,827.09/x - Step 3: Cross multiply
166,656.78x = 229,747.08 × 118,827.09 - Step 4: Simplify right side
166,656.78x = 27,300,176,952.40 - Step 5: Solve for x
x = 27,300,176,952.40/166,656.78 - Step 6: Final answer
x = 163,810.78
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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.