Home / 204,972.40-307,458.60-57,228.40

Finding the Fourth Proportional to 204,972.40, 307,458.60 and 57,228.40

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Solution

The fourth proportional to 204,972.40, 307,458.60 and 57,228.40 is: 85,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,972.40 : 307,458.60 = 57,228.40 : x
  2. Step 2: Convert to fraction form
    204,972.40/307,458.60 = 57,228.40/x
  3. Step 3: Cross multiply
    204,972.40x = 307,458.60 × 57,228.40
  4. Step 4: Simplify right side
    204,972.40x = 17,595,363,744.24
  5. Step 5: Solve for x
    x = 17,595,363,744.24/204,972.40
  6. Step 6: Final answer
    x = 85,842.60

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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.