Home / 188,727.12-283,045.32-55,571.22

Finding the Fourth Proportional to 188,727.12, 283,045.32 and 55,571.22

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Solution

The fourth proportional to 188,727.12, 283,045.32 and 55,571.22 is: 83,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,727.12 : 283,045.32 = 55,571.22 : x
  2. Step 2: Convert to fraction form
    188,727.12/283,045.32 = 55,571.22/x
  3. Step 3: Cross multiply
    188,727.12x = 283,045.32 × 55,571.22
  4. Step 4: Simplify right side
    188,727.12x = 15,729,173,747.69
  5. Step 5: Solve for x
    x = 15,729,173,747.69/188,727.12
  6. Step 6: Final answer
    x = 83,343.47

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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.