Home / 204,562.24-306,885.20-86,233.60

Finding the Fourth Proportional to 204,562.24, 306,885.20 and 86,233.60

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Solution

The fourth proportional to 204,562.24, 306,885.20 and 86,233.60 is: 129,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,562.24 : 306,885.20 = 86,233.60 : x
  2. Step 2: Convert to fraction form
    204,562.24/306,885.20 = 86,233.60/x
  3. Step 3: Cross multiply
    204,562.24x = 306,885.20 × 86,233.60
  4. Step 4: Simplify right side
    204,562.24x = 26,463,815,582.72
  5. Step 5: Solve for x
    x = 26,463,815,582.72/204,562.24
  6. Step 6: Final answer
    x = 129,368.04

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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.