Finding the Fourth Proportional to 162,372.93, 224,073.99 and 90,752.88
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Solution
The fourth proportional to 162,372.93, 224,073.99 and 90,752.88 is: 125,238.61
Step by Step Solution
- Step 1: Write the proportion equation
162,372.93 : 224,073.99 = 90,752.88 : x - Step 2: Convert to fraction form
162,372.93/224,073.99 = 90,752.88/x - Step 3: Cross multiply
162,372.93x = 224,073.99 × 90,752.88 - Step 4: Simplify right side
162,372.93x = 20,335,359,925.59 - Step 5: Solve for x
x = 20,335,359,925.59/162,372.93 - Step 6: Final answer
x = 125,238.61
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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.