Home / 167,891.13-231,718.73-107,458.65

Finding the Fourth Proportional to 167,891.13, 231,718.73 and 107,458.65

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Solution

The fourth proportional to 167,891.13, 231,718.73 and 107,458.65 is: 148,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891.13 : 231,718.73 = 107,458.65 : x
  2. Step 2: Convert to fraction form
    167,891.13/231,718.73 = 107,458.65/x
  3. Step 3: Cross multiply
    167,891.13x = 231,718.73 × 107,458.65
  4. Step 4: Simplify right side
    167,891.13x = 24,900,181,368.22
  5. Step 5: Solve for x
    x = 24,900,181,368.22/167,891.13
  6. Step 6: Final answer
    x = 148,311.48

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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.