Home / 165,020.50-247,491.11-76,188.65

Finding the Fourth Proportional to 165,020.50, 247,491.11 and 76,188.65

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Solution

The fourth proportional to 165,020.50, 247,491.11 and 76,188.65 is: 114,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,020.50 : 247,491.11 = 76,188.65 : x
  2. Step 2: Convert to fraction form
    165,020.50/247,491.11 = 76,188.65/x
  3. Step 3: Cross multiply
    165,020.50x = 247,491.11 × 76,188.65
  4. Step 4: Simplify right side
    165,020.50x = 18,856,014,367.10
  5. Step 5: Solve for x
    x = 18,856,014,367.10/165,020.50
  6. Step 6: Final answer
    x = 114,264.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.