Finding the Fourth Proportional to 176,280.12, 243,080.58 and 125,239.62
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Solution
The fourth proportional to 176,280.12, 243,080.58 and 125,239.62 is: 172,698.54
Step by Step Solution
- Step 1: Write the proportion equation
176,280.12 : 243,080.58 = 125,239.62 : x - Step 2: Convert to fraction form
176,280.12/243,080.58 = 125,239.62/x - Step 3: Cross multiply
176,280.12x = 243,080.58 × 125,239.62 - Step 4: Simplify right side
176,280.12x = 30,443,319,468.58 - Step 5: Solve for x
x = 30,443,319,468.58/176,280.12 - Step 6: Final answer
x = 172,698.54
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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.