Home / 331,966.54-458,083.11-188,698.60

Finding the Fourth Proportional to 331,966.54, 458,083.11 and 188,698.60

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Solution

The fourth proportional to 331,966.54, 458,083.11 and 188,698.60 is: 260,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,966.54 : 458,083.11 = 188,698.60 : x
  2. Step 2: Convert to fraction form
    331,966.54/458,083.11 = 188,698.60/x
  3. Step 3: Cross multiply
    331,966.54x = 458,083.11 × 188,698.60
  4. Step 4: Simplify right side
    331,966.54x = 86,439,641,540.65
  5. Step 5: Solve for x
    x = 86,439,641,540.65/331,966.54
  6. Step 6: Final answer
    x = 260,386.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.