Home / 240,040.72-331,239.54-132,609.88

Finding the Fourth Proportional to 240,040.72, 331,239.54 and 132,609.88

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Solution

The fourth proportional to 240,040.72, 331,239.54 and 132,609.88 is: 182,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,040.72 : 331,239.54 = 132,609.88 : x
  2. Step 2: Convert to fraction form
    240,040.72/331,239.54 = 132,609.88/x
  3. Step 3: Cross multiply
    240,040.72x = 331,239.54 × 132,609.88
  4. Step 4: Simplify right side
    240,040.72x = 43,925,635,650.66
  5. Step 5: Solve for x
    x = 43,925,635,650.66/240,040.72
  6. Step 6: Final answer
    x = 182,992.43

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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.