Finding the Fourth Proportional to 193,776.84, 267,434.06 and 122,152.59
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Solution
The fourth proportional to 193,776.84, 267,434.06 and 122,152.59 is: 168,584.45
Step by Step Solution
- Step 1: Write the proportion equation
193,776.84 : 267,434.06 = 122,152.59 : x - Step 2: Convert to fraction form
193,776.84/267,434.06 = 122,152.59/x - Step 3: Cross multiply
193,776.84x = 267,434.06 × 122,152.59 - Step 4: Simplify right side
193,776.84x = 32,667,762,472.45 - Step 5: Solve for x
x = 32,667,762,472.45/193,776.84 - Step 6: Final answer
x = 168,584.45
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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.