Home / 239,326.22-330,255.34-131,890.25

Finding the Fourth Proportional to 239,326.22, 330,255.34 and 131,890.25

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Solution

The fourth proportional to 239,326.22, 330,255.34 and 131,890.25 is: 182,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,326.22 : 330,255.34 = 131,890.25 : x
  2. Step 2: Convert to fraction form
    239,326.22/330,255.34 = 131,890.25/x
  3. Step 3: Cross multiply
    239,326.22x = 330,255.34 × 131,890.25
  4. Step 4: Simplify right side
    239,326.22x = 43,557,457,375.43
  5. Step 5: Solve for x
    x = 43,557,457,375.43/239,326.22
  6. Step 6: Final answer
    x = 182,000.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.