Home / 132,857.36-199,078.44-83,505.68

Finding the Fourth Proportional to 132,857.36, 199,078.44 and 83,505.68

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Solution

The fourth proportional to 132,857.36, 199,078.44 and 83,505.68 is: 125,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857.36 : 199,078.44 = 83,505.68 : x
  2. Step 2: Convert to fraction form
    132,857.36/199,078.44 = 83,505.68/x
  3. Step 3: Cross multiply
    132,857.36x = 199,078.44 × 83,505.68
  4. Step 4: Simplify right side
    132,857.36x = 16,624,180,505.54
  5. Step 5: Solve for x
    x = 16,624,180,505.54/132,857.36
  6. Step 6: Final answer
    x = 125,128.04

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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.