Home / 204,216.03-306,334.08-54,457.68

Finding the Fourth Proportional to 204,216.03, 306,334.08 and 54,457.68

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Solution

The fourth proportional to 204,216.03, 306,334.08 and 54,457.68 is: 81,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,216.03 : 306,334.08 = 54,457.68 : x
  2. Step 2: Convert to fraction form
    204,216.03/306,334.08 = 54,457.68/x
  3. Step 3: Cross multiply
    204,216.03x = 306,334.08 × 54,457.68
  4. Step 4: Simplify right side
    204,216.03x = 16,682,243,301.73
  5. Step 5: Solve for x
    x = 16,682,243,301.73/204,216.03
  6. Step 6: Final answer
    x = 81,689.20

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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.