Home / 281,823.40-422,735.10-94,815.40

Finding the Fourth Proportional to 281,823.40, 422,735.10 and 94,815.40

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Solution

The fourth proportional to 281,823.40, 422,735.10 and 94,815.40 is: 142,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,823.40 : 422,735.10 = 94,815.40 : x
  2. Step 2: Convert to fraction form
    281,823.40/422,735.10 = 94,815.40/x
  3. Step 3: Cross multiply
    281,823.40x = 422,735.10 × 94,815.40
  4. Step 4: Simplify right side
    281,823.40x = 40,081,797,600.54
  5. Step 5: Solve for x
    x = 40,081,797,600.54/281,823.40
  6. Step 6: Final answer
    x = 142,223.10

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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.