Home / 285,983.33-394,662.21-156,928.46

Finding the Fourth Proportional to 285,983.33, 394,662.21 and 156,928.46

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Solution

The fourth proportional to 285,983.33, 394,662.21 and 156,928.46 is: 216,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,983.33 : 394,662.21 = 156,928.46 : x
  2. Step 2: Convert to fraction form
    285,983.33/394,662.21 = 156,928.46/x
  3. Step 3: Cross multiply
    285,983.33x = 394,662.21 × 156,928.46
  4. Step 4: Simplify right side
    285,983.33x = 61,933,732,835.50
  5. Step 5: Solve for x
    x = 61,933,732,835.50/285,983.33
  6. Step 6: Final answer
    x = 216,564.14

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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.