Home / 252,580.15-378,331.55-204,341.76

Finding the Fourth Proportional to 252,580.15, 378,331.55 and 204,341.76

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Solution

The fourth proportional to 252,580.15, 378,331.55 and 204,341.76 is: 306,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,580.15 : 378,331.55 = 204,341.76 : x
  2. Step 2: Convert to fraction form
    252,580.15/378,331.55 = 204,341.76/x
  3. Step 3: Cross multiply
    252,580.15x = 378,331.55 × 204,341.76
  4. Step 4: Simplify right side
    252,580.15x = 77,308,933,768.82
  5. Step 5: Solve for x
    x = 77,308,933,768.82/252,580.15
  6. Step 6: Final answer
    x = 306,076.84

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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.