Home / 204,815.52-307,362.60-125,688.24

Finding the Fourth Proportional to 204,815.52, 307,362.60 and 125,688.24

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Solution

The fourth proportional to 204,815.52, 307,362.60 and 125,688.24 is: 188,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,815.52 : 307,362.60 = 125,688.24 : x
  2. Step 2: Convert to fraction form
    204,815.52/307,362.60 = 125,688.24/x
  3. Step 3: Cross multiply
    204,815.52x = 307,362.60 × 125,688.24
  4. Step 4: Simplify right side
    204,815.52x = 38,631,864,235.82
  5. Step 5: Solve for x
    x = 38,631,864,235.82/204,815.52
  6. Step 6: Final answer
    x = 188,617.86

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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.