Home / 268,841.33-403,447.89-111,071.15

Finding the Fourth Proportional to 268,841.33, 403,447.89 and 111,071.15

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Solution

The fourth proportional to 268,841.33, 403,447.89 and 111,071.15 is: 166,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,841.33 : 403,447.89 = 111,071.15 : x
  2. Step 2: Convert to fraction form
    268,841.33/403,447.89 = 111,071.15/x
  3. Step 3: Cross multiply
    268,841.33x = 403,447.89 × 111,071.15
  4. Step 4: Simplify right side
    268,841.33x = 44,811,421,107.37
  5. Step 5: Solve for x
    x = 44,811,421,107.37/268,841.33
  6. Step 6: Final answer
    x = 166,683.53

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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.