Home / 378,961.38-567,948.47-154,059.12

Finding the Fourth Proportional to 378,961.38, 567,948.47 and 154,059.12

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Solution

The fourth proportional to 378,961.38, 567,948.47 and 154,059.12 is: 230,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,961.38 : 567,948.47 = 154,059.12 : x
  2. Step 2: Convert to fraction form
    378,961.38/567,948.47 = 154,059.12/x
  3. Step 3: Cross multiply
    378,961.38x = 567,948.47 × 154,059.12
  4. Step 4: Simplify right side
    378,961.38x = 87,497,640,723.25
  5. Step 5: Solve for x
    x = 87,497,640,723.25/378,961.38
  6. Step 6: Final answer
    x = 230,888.01

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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.