Home / 178,297.20-267,359.40-99,327.60

Finding the Fourth Proportional to 178,297.20, 267,359.40 and 99,327.60

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Solution

The fourth proportional to 178,297.20, 267,359.40 and 99,327.60 is: 148,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,297.20 : 267,359.40 = 99,327.60 : x
  2. Step 2: Convert to fraction form
    178,297.20/267,359.40 = 99,327.60/x
  3. Step 3: Cross multiply
    178,297.20x = 267,359.40 × 99,327.60
  4. Step 4: Simplify right side
    178,297.20x = 26,556,167,539.44
  5. Step 5: Solve for x
    x = 26,556,167,539.44/178,297.20
  6. Step 6: Final answer
    x = 148,943.27

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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.