Home / 151,365.76-226,842.56-71,391.28

Finding the Fourth Proportional to 151,365.76, 226,842.56 and 71,391.28

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Solution

The fourth proportional to 151,365.76, 226,842.56 and 71,391.28 is: 106,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,365.76 : 226,842.56 = 71,391.28 : x
  2. Step 2: Convert to fraction form
    151,365.76/226,842.56 = 71,391.28/x
  3. Step 3: Cross multiply
    151,365.76x = 226,842.56 × 71,391.28
  4. Step 4: Simplify right side
    151,365.76x = 16,194,580,716.88
  5. Step 5: Solve for x
    x = 16,194,580,716.88/151,365.76
  6. Step 6: Final answer
    x = 106,989.72

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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.