Finding the Fourth Proportional to 177,800.76, 245,387.97 and 101,347.74
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Solution
The fourth proportional to 177,800.76, 245,387.97 and 101,347.74 is: 139,872.95
Step by Step Solution
- Step 1: Write the proportion equation
177,800.76 : 245,387.97 = 101,347.74 : x - Step 2: Convert to fraction form
177,800.76/245,387.97 = 101,347.74/x - Step 3: Cross multiply
177,800.76x = 245,387.97 × 101,347.74 - Step 4: Simplify right side
177,800.76x = 24,869,516,182.69 - Step 5: Solve for x
x = 24,869,516,182.69/177,800.76 - Step 6: Final answer
x = 139,872.95
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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.