Home / 188,439.08-282,660.24-55,321.52

Finding the Fourth Proportional to 188,439.08, 282,660.24 and 55,321.52

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Solution

The fourth proportional to 188,439.08, 282,660.24 and 55,321.52 is: 82,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439.08 : 282,660.24 = 55,321.52 : x
  2. Step 2: Convert to fraction form
    188,439.08/282,660.24 = 55,321.52/x
  3. Step 3: Cross multiply
    188,439.08x = 282,660.24 × 55,321.52
  4. Step 4: Simplify right side
    188,439.08x = 15,637,194,120.36
  5. Step 5: Solve for x
    x = 15,637,194,120.36/188,439.08
  6. Step 6: Final answer
    x = 82,982.76

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1.5x scale

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.