Home / 204,875.90-307,424.04-197,420.12

Finding the Fourth Proportional to 204,875.90, 307,424.04 and 197,420.12

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Solution

The fourth proportional to 204,875.90, 307,424.04 and 197,420.12 is: 296,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,875.90 : 307,424.04 = 197,420.12 : x
  2. Step 2: Convert to fraction form
    204,875.90/307,424.04 = 197,420.12/x
  3. Step 3: Cross multiply
    204,875.90x = 307,424.04 × 197,420.12
  4. Step 4: Simplify right side
    204,875.90x = 60,691,690,867.68
  5. Step 5: Solve for x
    x = 60,691,690,867.68/204,875.90
  6. Step 6: Final answer
    x = 296,236.36

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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.