Home / 185,586.27-278,379.29-67,257.42

Finding the Fourth Proportional to 185,586.27, 278,379.29 and 67,257.42

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Solution

The fourth proportional to 185,586.27, 278,379.29 and 67,257.42 is: 100,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,586.27 : 278,379.29 = 67,257.42 : x
  2. Step 2: Convert to fraction form
    185,586.27/278,379.29 = 67,257.42/x
  3. Step 3: Cross multiply
    185,586.27x = 278,379.29 × 67,257.42
  4. Step 4: Simplify right side
    185,586.27x = 18,723,071,098.65
  5. Step 5: Solve for x
    x = 18,723,071,098.65/185,586.27
  6. Step 6: Final answer
    x = 100,886.08

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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.