Home / 188,831.78-283,181.64-55,676.69

Finding the Fourth Proportional to 188,831.78, 283,181.64 and 55,676.69

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Solution

The fourth proportional to 188,831.78, 283,181.64 and 55,676.69 is: 83,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,831.78 : 283,181.64 = 55,676.69 : x
  2. Step 2: Convert to fraction form
    188,831.78/283,181.64 = 55,676.69/x
  3. Step 3: Cross multiply
    188,831.78x = 283,181.64 × 55,676.69
  4. Step 4: Simplify right side
    188,831.78x = 15,766,614,968.06
  5. Step 5: Solve for x
    x = 15,766,614,968.06/188,831.78
  6. Step 6: Final answer
    x = 83,495.56

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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.