Home / 159,771.22-220,432.79-106,066.60

Finding the Fourth Proportional to 159,771.22, 220,432.79 and 106,066.60

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Solution

The fourth proportional to 159,771.22, 220,432.79 and 106,066.60 is: 146,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,771.22 : 220,432.79 = 106,066.60 : x
  2. Step 2: Convert to fraction form
    159,771.22/220,432.79 = 106,066.60/x
  3. Step 3: Cross multiply
    159,771.22x = 220,432.79 × 106,066.60
  4. Step 4: Simplify right side
    159,771.22x = 23,380,556,277.90
  5. Step 5: Solve for x
    x = 23,380,556,277.90/159,771.22
  6. Step 6: Final answer
    x = 146,337.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.