Home / 218,630.07-327,995.33-113,425.65

Finding the Fourth Proportional to 218,630.07, 327,995.33 and 113,425.65

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Solution

The fourth proportional to 218,630.07, 327,995.33 and 113,425.65 is: 170,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,630.07 : 327,995.33 = 113,425.65 : x
  2. Step 2: Convert to fraction form
    218,630.07/327,995.33 = 113,425.65/x
  3. Step 3: Cross multiply
    218,630.07x = 327,995.33 × 113,425.65
  4. Step 4: Simplify right side
    218,630.07x = 37,203,082,935.09
  5. Step 5: Solve for x
    x = 37,203,082,935.09/218,630.07
  6. Step 6: Final answer
    x = 170,164.53

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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.