Home / 188,942.54-283,315.39-70,516.49

Finding the Fourth Proportional to 188,942.54, 283,315.39 and 70,516.49

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Solution

The fourth proportional to 188,942.54, 283,315.39 and 70,516.49 is: 105,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,942.54 : 283,315.39 = 70,516.49 : x
  2. Step 2: Convert to fraction form
    188,942.54/283,315.39 = 70,516.49/x
  3. Step 3: Cross multiply
    188,942.54x = 283,315.39 × 70,516.49
  4. Step 4: Simplify right side
    188,942.54x = 19,978,406,865.78
  5. Step 5: Solve for x
    x = 19,978,406,865.78/188,942.54
  6. Step 6: Final answer
    x = 105,738.00

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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.