Home / 252,018.24-378,027.36-172,892.64

Finding the Fourth Proportional to 252,018.24, 378,027.36 and 172,892.64

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Solution

The fourth proportional to 252,018.24, 378,027.36 and 172,892.64 is: 259,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,018.24 : 378,027.36 = 172,892.64 : x
  2. Step 2: Convert to fraction form
    252,018.24/378,027.36 = 172,892.64/x
  3. Step 3: Cross multiply
    252,018.24x = 378,027.36 × 172,892.64
  4. Step 4: Simplify right side
    252,018.24x = 65,358,148,262.63
  5. Step 5: Solve for x
    x = 65,358,148,262.63/252,018.24
  6. Step 6: Final answer
    x = 259,338.96

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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.