Home / 151,720.40-227,580.60-104,481.20

Finding the Fourth Proportional to 151,720.40, 227,580.60 and 104,481.20

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Solution

The fourth proportional to 151,720.40, 227,580.60 and 104,481.20 is: 156,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,720.40 : 227,580.60 = 104,481.20 : x
  2. Step 2: Convert to fraction form
    151,720.40/227,580.60 = 104,481.20/x
  3. Step 3: Cross multiply
    151,720.40x = 227,580.60 × 104,481.20
  4. Step 4: Simplify right side
    151,720.40x = 23,777,894,184.72
  5. Step 5: Solve for x
    x = 23,777,894,184.72/151,720.40
  6. Step 6: Final answer
    x = 156,721.80

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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.