Home / 119,759.18-165,335.18-79,527.96

Finding the Fourth Proportional to 119,759.18, 165,335.18 and 79,527.96

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Solution

The fourth proportional to 119,759.18, 165,335.18 and 79,527.96 is: 109,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759.18 : 165,335.18 = 79,527.96 : x
  2. Step 2: Convert to fraction form
    119,759.18/165,335.18 = 79,527.96/x
  3. Step 3: Cross multiply
    119,759.18x = 165,335.18 × 79,527.96
  4. Step 4: Simplify right side
    119,759.18x = 13,148,769,183.99
  5. Step 5: Solve for x
    x = 13,148,769,183.99/119,759.18
  6. Step 6: Final answer
    x = 109,793.42

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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.