Home / 109,816.66-164,611.86-43,229.80

Finding the Fourth Proportional to 109,816.66, 164,611.86 and 43,229.80

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Solution

The fourth proportional to 109,816.66, 164,611.86 and 43,229.80 is: 64,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816.66 : 164,611.86 = 43,229.80 : x
  2. Step 2: Convert to fraction form
    109,816.66/164,611.86 = 43,229.80/x
  3. Step 3: Cross multiply
    109,816.66x = 164,611.86 × 43,229.80
  4. Step 4: Simplify right side
    109,816.66x = 7,116,137,785.43
  5. Step 5: Solve for x
    x = 7,116,137,785.43/109,816.66
  6. Step 6: Final answer
    x = 64,800.17

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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.