Home / 204,023.60-306,035.40-54,263.60

Finding the Fourth Proportional to 204,023.60, 306,035.40 and 54,263.60

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Solution

The fourth proportional to 204,023.60, 306,035.40 and 54,263.60 is: 81,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,023.60 : 306,035.40 = 54,263.60 : x
  2. Step 2: Convert to fraction form
    204,023.60/306,035.40 = 54,263.60/x
  3. Step 3: Cross multiply
    204,023.60x = 306,035.40 × 54,263.60
  4. Step 4: Simplify right side
    204,023.60x = 16,606,582,531.44
  5. Step 5: Solve for x
    x = 16,606,582,531.44/204,023.60
  6. Step 6: Final answer
    x = 81,395.40

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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.