Home / 156,625.20-234,861.28-109,263.04

Finding the Fourth Proportional to 156,625.20, 234,861.28 and 109,263.04

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Solution

The fourth proportional to 156,625.20, 234,861.28 and 109,263.04 is: 163,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,625.20 : 234,861.28 = 109,263.04 : x
  2. Step 2: Convert to fraction form
    156,625.20/234,861.28 = 109,263.04/x
  3. Step 3: Cross multiply
    156,625.20x = 234,861.28 × 109,263.04
  4. Step 4: Simplify right side
    156,625.20x = 25,661,657,431.09
  5. Step 5: Solve for x
    x = 25,661,657,431.09/156,625.20
  6. Step 6: Final answer
    x = 163,841.18

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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.