Home / 188,240.10-282,339.49-55,121.69

Finding the Fourth Proportional to 188,240.10, 282,339.49 and 55,121.69

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Solution

The fourth proportional to 188,240.10, 282,339.49 and 55,121.69 is: 82,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,240.10 : 282,339.49 = 55,121.69 : x
  2. Step 2: Convert to fraction form
    188,240.10/282,339.49 = 55,121.69/x
  3. Step 3: Cross multiply
    188,240.10x = 282,339.49 × 55,121.69
  4. Step 4: Simplify right side
    188,240.10x = 15,563,029,842.54
  5. Step 5: Solve for x
    x = 15,563,029,842.54/188,240.10
  6. Step 6: Final answer
    x = 82,676.49

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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.