Home / 168,019.78-252,076.38-73,258.24

Finding the Fourth Proportional to 168,019.78, 252,076.38 and 73,258.24

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Solution

The fourth proportional to 168,019.78, 252,076.38 and 73,258.24 is: 109,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,019.78 : 252,076.38 = 73,258.24 : x
  2. Step 2: Convert to fraction form
    168,019.78/252,076.38 = 73,258.24/x
  3. Step 3: Cross multiply
    168,019.78x = 252,076.38 × 73,258.24
  4. Step 4: Simplify right side
    168,019.78x = 18,466,672,159.52
  5. Step 5: Solve for x
    x = 18,466,672,159.52/168,019.78
  6. Step 6: Final answer
    x = 109,907.73

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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.