Home / 327,832.09-491,623.58-156,878.33

Finding the Fourth Proportional to 327,832.09, 491,623.58 and 156,878.33

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Solution

The fourth proportional to 327,832.09, 491,623.58 and 156,878.33 is: 235,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,832.09 : 491,623.58 = 156,878.33 : x
  2. Step 2: Convert to fraction form
    327,832.09/491,623.58 = 156,878.33/x
  3. Step 3: Cross multiply
    327,832.09x = 491,623.58 × 156,878.33
  4. Step 4: Simplify right side
    327,832.09x = 77,125,084,153.10
  5. Step 5: Solve for x
    x = 77,125,084,153.10/327,832.09
  6. Step 6: Final answer
    x = 235,257.89

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1.5x scale

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.