Home / 188,236.78-282,334.50-55,118.33

Finding the Fourth Proportional to 188,236.78, 282,334.50 and 55,118.33

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Solution

The fourth proportional to 188,236.78, 282,334.50 and 55,118.33 is: 82,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,236.78 : 282,334.50 = 55,118.33 : x
  2. Step 2: Convert to fraction form
    188,236.78/282,334.50 = 55,118.33/x
  3. Step 3: Cross multiply
    188,236.78x = 282,334.50 × 55,118.33
  4. Step 4: Simplify right side
    188,236.78x = 15,561,806,141.39
  5. Step 5: Solve for x
    x = 15,561,806,141.39/188,236.78
  6. Step 6: Final answer
    x = 82,671.44

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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.