Home / 133,021.45-183,406.26-82,632.97

Finding the Fourth Proportional to 133,021.45, 183,406.26 and 82,632.97

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Solution

The fourth proportional to 133,021.45, 183,406.26 and 82,632.97 is: 113,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.45 : 183,406.26 = 82,632.97 : x
  2. Step 2: Convert to fraction form
    133,021.45/183,406.26 = 82,632.97/x
  3. Step 3: Cross multiply
    133,021.45x = 183,406.26 × 82,632.97
  4. Step 4: Simplify right side
    133,021.45x = 15,155,403,980.39
  5. Step 5: Solve for x
    x = 15,155,403,980.39/133,021.45
  6. Step 6: Final answer
    x = 113,932.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.