Finding the Fourth Proportional to 176,478.62, 243,417.30 and 116,029.94
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Solution
The fourth proportional to 176,478.62, 243,417.30 and 116,029.94 is: 160,040.32
Step by Step Solution
- Step 1: Write the proportion equation
176,478.62 : 243,417.30 = 116,029.94 : x - Step 2: Convert to fraction form
176,478.62/243,417.30 = 116,029.94/x - Step 3: Cross multiply
176,478.62x = 243,417.30 × 116,029.94 - Step 4: Simplify right side
176,478.62x = 28,243,694,713.96 - Step 5: Solve for x
x = 28,243,694,713.96/176,478.62 - Step 6: Final answer
x = 160,040.32
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1.5x scale
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.