Finding the Fourth Proportional to 202,337.13, 279,225.24 and 112,913.13
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Solution
The fourth proportional to 202,337.13, 279,225.24 and 112,913.13 is: 155,820.12
Step by Step Solution
- Step 1: Write the proportion equation
202,337.13 : 279,225.24 = 112,913.13 : x - Step 2: Convert to fraction form
202,337.13/279,225.24 = 112,913.13/x - Step 3: Cross multiply
202,337.13x = 279,225.24 × 112,913.13 - Step 4: Simplify right side
202,337.13x = 31,528,195,823.40 - Step 5: Solve for x
x = 31,528,195,823.40/202,337.13 - Step 6: Final answer
x = 155,820.12
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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.