Home / 216,683.85-324,967.46-76,424.25

Finding the Fourth Proportional to 216,683.85, 324,967.46 and 76,424.25

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Solution

The fourth proportional to 216,683.85, 324,967.46 and 76,424.25 is: 114,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,683.85 : 324,967.46 = 76,424.25 : x
  2. Step 2: Convert to fraction form
    216,683.85/324,967.46 = 76,424.25/x
  3. Step 3: Cross multiply
    216,683.85x = 324,967.46 × 76,424.25
  4. Step 4: Simplify right side
    216,683.85x = 24,835,394,022.78
  5. Step 5: Solve for x
    x = 24,835,394,022.78/216,683.85
  6. Step 6: Final answer
    x = 114,615.81

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1.5x scale

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.