Home / 281,624.26-422,462.36-92,085.60

Finding the Fourth Proportional to 281,624.26, 422,462.36 and 92,085.60

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Solution

The fourth proportional to 281,624.26, 422,462.36 and 92,085.60 is: 138,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,624.26 : 422,462.36 = 92,085.60 : x
  2. Step 2: Convert to fraction form
    281,624.26/422,462.36 = 92,085.60/x
  3. Step 3: Cross multiply
    281,624.26x = 422,462.36 × 92,085.60
  4. Step 4: Simplify right side
    281,624.26x = 38,902,697,325.28
  5. Step 5: Solve for x
    x = 38,902,697,325.28/281,624.26
  6. Step 6: Final answer
    x = 138,136.88

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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.