Home / 268,825.23-403,238.91-108,904.19

Finding the Fourth Proportional to 268,825.23, 403,238.91 and 108,904.19

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Solution

The fourth proportional to 268,825.23, 403,238.91 and 108,904.19 is: 163,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,825.23 : 403,238.91 = 108,904.19 : x
  2. Step 2: Convert to fraction form
    268,825.23/403,238.91 = 108,904.19/x
  3. Step 3: Cross multiply
    268,825.23x = 403,238.91 × 108,904.19
  4. Step 4: Simplify right side
    268,825.23x = 43,914,406,437.73
  5. Step 5: Solve for x
    x = 43,914,406,437.73/268,825.23
  6. Step 6: Final answer
    x = 163,356.71

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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.