Home / 188,431.08-282,648.24-55,313.52

Finding the Fourth Proportional to 188,431.08, 282,648.24 and 55,313.52

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Solution

The fourth proportional to 188,431.08, 282,648.24 and 55,313.52 is: 82,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,431.08 : 282,648.24 = 55,313.52 : x
  2. Step 2: Convert to fraction form
    188,431.08/282,648.24 = 55,313.52/x
  3. Step 3: Cross multiply
    188,431.08x = 282,648.24 × 55,313.52
  4. Step 4: Simplify right side
    188,431.08x = 15,634,269,076.20
  5. Step 5: Solve for x
    x = 15,634,269,076.20/188,431.08
  6. Step 6: Final answer
    x = 82,970.76

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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.