Home / 378,837.96-568,334.16-154,196.52

Finding the Fourth Proportional to 378,837.96, 568,334.16 and 154,196.52

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Solution

The fourth proportional to 378,837.96, 568,334.16 and 154,196.52 is: 231,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,837.96 : 568,334.16 = 154,196.52 : x
  2. Step 2: Convert to fraction form
    378,837.96/568,334.16 = 154,196.52/x
  3. Step 3: Cross multiply
    378,837.96x = 568,334.16 × 154,196.52
  4. Step 4: Simplify right side
    378,837.96x = 87,635,149,669.12
  5. Step 5: Solve for x
    x = 87,635,149,669.12/378,837.96
  6. Step 6: Final answer
    x = 231,326.21

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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.