Home / 252,582.38-378,606.99-84,057.38

Finding the Fourth Proportional to 252,582.38, 378,606.99 and 84,057.38

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Solution

The fourth proportional to 252,582.38, 378,606.99 and 84,057.38 is: 125,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,582.38 : 378,606.99 = 84,057.38 : x
  2. Step 2: Convert to fraction form
    252,582.38/378,606.99 = 84,057.38/x
  3. Step 3: Cross multiply
    252,582.38x = 378,606.99 × 84,057.38
  4. Step 4: Simplify right side
    252,582.38x = 31,824,711,629.09
  5. Step 5: Solve for x
    x = 31,824,711,629.09/252,582.38
  6. Step 6: Final answer
    x = 125,997.35

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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.