Home / 281,929.18-422,848.71-82,202.86

Finding the Fourth Proportional to 281,929.18, 422,848.71 and 82,202.86

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Solution

The fourth proportional to 281,929.18, 422,848.71 and 82,202.86 is: 123,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,929.18 : 422,848.71 = 82,202.86 : x
  2. Step 2: Convert to fraction form
    281,929.18/422,848.71 = 82,202.86/x
  3. Step 3: Cross multiply
    281,929.18x = 422,848.71 × 82,202.86
  4. Step 4: Simplify right side
    281,929.18x = 34,759,373,309.31
  5. Step 5: Solve for x
    x = 34,759,373,309.31/281,929.18
  6. Step 6: Final answer
    x = 123,291.15

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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.