Finding the Fourth Proportional to 152,312.18, 228,208.26 and 107,865.06
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Solution
The fourth proportional to 152,312.18, 228,208.26 and 107,865.06 is: 161,613.46
Step by Step Solution
- Step 1: Write the proportion equation
152,312.18 : 228,208.26 = 107,865.06 : x - Step 2: Convert to fraction form
152,312.18/228,208.26 = 107,865.06/x - Step 3: Cross multiply
152,312.18x = 228,208.26 × 107,865.06 - Step 4: Simplify right side
152,312.18x = 24,615,697,657.40 - Step 5: Solve for x
x = 24,615,697,657.40/152,312.18 - Step 6: Final answer
x = 161,613.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.