Home / 331,984.30-458,107.56-188,716.36

Finding the Fourth Proportional to 331,984.30, 458,107.56 and 188,716.36

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Solution

The fourth proportional to 331,984.30, 458,107.56 and 188,716.36 is: 260,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,984.30 : 458,107.56 = 188,716.36 : x
  2. Step 2: Convert to fraction form
    331,984.30/458,107.56 = 188,716.36/x
  3. Step 3: Cross multiply
    331,984.30x = 458,107.56 × 188,716.36
  4. Step 4: Simplify right side
    331,984.30x = 86,452,391,211.68
  5. Step 5: Solve for x
    x = 86,452,391,211.68/331,984.30
  6. Step 6: Final answer
    x = 260,411.08

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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.