Home / 239,195.56-330,086.34-131,765.66

Finding the Fourth Proportional to 239,195.56, 330,086.34 and 131,765.66

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Solution

The fourth proportional to 239,195.56, 330,086.34 and 131,765.66 is: 181,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,195.56 : 330,086.34 = 131,765.66 : x
  2. Step 2: Convert to fraction form
    239,195.56/330,086.34 = 131,765.66/x
  3. Step 3: Cross multiply
    239,195.56x = 330,086.34 × 131,765.66
  4. Step 4: Simplify right side
    239,195.56x = 43,494,044,447.08
  5. Step 5: Solve for x
    x = 43,494,044,447.08/239,195.56
  6. Step 6: Final answer
    x = 181,834.66

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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.