Home / 307,921.20-462,035.40-174,903.60

Finding the Fourth Proportional to 307,921.20, 462,035.40 and 174,903.60

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Solution

The fourth proportional to 307,921.20, 462,035.40 and 174,903.60 is: 262,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,921.20 : 462,035.40 = 174,903.60 : x
  2. Step 2: Convert to fraction form
    307,921.20/462,035.40 = 174,903.60/x
  3. Step 3: Cross multiply
    307,921.20x = 462,035.40 × 174,903.60
  4. Step 4: Simplify right side
    307,921.20x = 80,811,654,787.44
  5. Step 5: Solve for x
    x = 80,811,654,787.44/307,921.20
  6. Step 6: Final answer
    x = 262,442.65

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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.