Home / 281,667.20-422,564.80-94,697.60

Finding the Fourth Proportional to 281,667.20, 422,564.80 and 94,697.60

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Solution

The fourth proportional to 281,667.20, 422,564.80 and 94,697.60 is: 142,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,667.20 : 422,564.80 = 94,697.60 : x
  2. Step 2: Convert to fraction form
    281,667.20/422,564.80 = 94,697.60/x
  3. Step 3: Cross multiply
    281,667.20x = 422,564.80 × 94,697.60
  4. Step 4: Simplify right side
    281,667.20x = 40,015,872,404.48
  5. Step 5: Solve for x
    x = 40,015,872,404.48/281,667.20
  6. Step 6: Final answer
    x = 142,067.92

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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.