Home / 188,107.22-282,155.36-54,990.60

Finding the Fourth Proportional to 188,107.22, 282,155.36 and 54,990.60

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Solution

The fourth proportional to 188,107.22, 282,155.36 and 54,990.60 is: 82,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,107.22 : 282,155.36 = 54,990.60 : x
  2. Step 2: Convert to fraction form
    188,107.22/282,155.36 = 54,990.60/x
  3. Step 3: Cross multiply
    188,107.22x = 282,155.36 × 54,990.60
  4. Step 4: Simplify right side
    188,107.22x = 15,515,892,264.66
  5. Step 5: Solve for x
    x = 15,515,892,264.66/188,107.22
  6. Step 6: Final answer
    x = 82,484.30

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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.