Home / 268,941.69-403,346.93-111,215.25

Finding the Fourth Proportional to 268,941.69, 403,346.93 and 111,215.25

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Solution

The fourth proportional to 268,941.69, 403,346.93 and 111,215.25 is: 166,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,941.69 : 403,346.93 = 111,215.25 : x
  2. Step 2: Convert to fraction form
    268,941.69/403,346.93 = 111,215.25/x
  3. Step 3: Cross multiply
    268,941.69x = 403,346.93 × 111,215.25
  4. Step 4: Simplify right side
    268,941.69x = 44,858,329,100.61
  5. Step 5: Solve for x
    x = 44,858,329,100.61/268,941.69
  6. Step 6: Final answer
    x = 166,795.74

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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.