Home / 268,890.93-403,336.53-110,945.79

Finding the Fourth Proportional to 268,890.93, 403,336.53 and 110,945.79

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Solution

The fourth proportional to 268,890.93, 403,336.53 and 110,945.79 is: 166,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,890.93 : 403,336.53 = 110,945.79 : x
  2. Step 2: Convert to fraction form
    268,890.93/403,336.53 = 110,945.79/x
  3. Step 3: Cross multiply
    268,890.93x = 403,336.53 × 110,945.79
  4. Step 4: Simplify right side
    268,890.93x = 44,748,489,956.71
  5. Step 5: Solve for x
    x = 44,748,489,956.71/268,890.93
  6. Step 6: Final answer
    x = 166,418.74

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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.