Home / 281,825.16-422,470.40-104,211.60

Finding the Fourth Proportional to 281,825.16, 422,470.40 and 104,211.60

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Solution

The fourth proportional to 281,825.16, 422,470.40 and 104,211.60 is: 156,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,825.16 : 422,470.40 = 104,211.60 : x
  2. Step 2: Convert to fraction form
    281,825.16/422,470.40 = 104,211.60/x
  3. Step 3: Cross multiply
    281,825.16x = 422,470.40 × 104,211.60
  4. Step 4: Simplify right side
    281,825.16x = 44,026,316,336.64
  5. Step 5: Solve for x
    x = 44,026,316,336.64/281,825.16
  6. Step 6: Final answer
    x = 156,218.54

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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.