Home / 126,383.04-188,755.20-114,513.12

Finding the Fourth Proportional to 126,383.04, 188,755.20 and 114,513.12

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Solution

The fourth proportional to 126,383.04, 188,755.20 and 114,513.12 is: 171,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,383.04 : 188,755.20 = 114,513.12 : x
  2. Step 2: Convert to fraction form
    126,383.04/188,755.20 = 114,513.12/x
  3. Step 3: Cross multiply
    126,383.04x = 188,755.20 × 114,513.12
  4. Step 4: Simplify right side
    126,383.04x = 21,614,946,868.22
  5. Step 5: Solve for x
    x = 21,614,946,868.22/126,383.04
  6. Step 6: Final answer
    x = 171,027.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.