Home / 194,654.96-268,615.68-109,779.92

Finding the Fourth Proportional to 194,654.96, 268,615.68 and 109,779.92

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Solution

The fourth proportional to 194,654.96, 268,615.68 and 109,779.92 is: 151,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,654.96 : 268,615.68 = 109,779.92 : x
  2. Step 2: Convert to fraction form
    194,654.96/268,615.68 = 109,779.92/x
  3. Step 3: Cross multiply
    194,654.96x = 268,615.68 × 109,779.92
  4. Step 4: Simplify right side
    194,654.96x = 29,488,607,861.15
  5. Step 5: Solve for x
    x = 29,488,607,861.15/194,654.96
  6. Step 6: Final answer
    x = 151,491.68

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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.