Home / 216,508.25-324,679.34-74,327.02

Finding the Fourth Proportional to 216,508.25, 324,679.34 and 74,327.02

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Solution

The fourth proportional to 216,508.25, 324,679.34 and 74,327.02 is: 111,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,508.25 : 324,679.34 = 74,327.02 : x
  2. Step 2: Convert to fraction form
    216,508.25/324,679.34 = 74,327.02/x
  3. Step 3: Cross multiply
    216,508.25x = 324,679.34 × 74,327.02
  4. Step 4: Simplify right side
    216,508.25x = 24,132,448,389.43
  5. Step 5: Solve for x
    x = 24,132,448,389.43/216,508.25
  6. Step 6: Final answer
    x = 111,462.03

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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.