Home / 151,442.40-226,969.20-92,215.20

Finding the Fourth Proportional to 151,442.40, 226,969.20 and 92,215.20

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Solution

The fourth proportional to 151,442.40, 226,969.20 and 92,215.20 is: 138,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,442.40 : 226,969.20 = 92,215.20 : x
  2. Step 2: Convert to fraction form
    151,442.40/226,969.20 = 92,215.20/x
  3. Step 3: Cross multiply
    151,442.40x = 226,969.20 × 92,215.20
  4. Step 4: Simplify right side
    151,442.40x = 20,930,010,171.84
  5. Step 5: Solve for x
    x = 20,930,010,171.84/151,442.40
  6. Step 6: Final answer
    x = 138,204.43

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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.