Home / 213,682.14-320,435.73-95,272.50

Finding the Fourth Proportional to 213,682.14, 320,435.73 and 95,272.50

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Solution

The fourth proportional to 213,682.14, 320,435.73 and 95,272.50 is: 142,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,682.14 : 320,435.73 = 95,272.50 : x
  2. Step 2: Convert to fraction form
    213,682.14/320,435.73 = 95,272.50/x
  3. Step 3: Cross multiply
    213,682.14x = 320,435.73 × 95,272.50
  4. Step 4: Simplify right side
    213,682.14x = 30,528,713,086.43
  5. Step 5: Solve for x
    x = 30,528,713,086.43/213,682.14
  6. Step 6: Final answer
    x = 142,869.75

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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.