Home / 239,789.16-330,902.76-132,356.88

Finding the Fourth Proportional to 239,789.16, 330,902.76 and 132,356.88

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Solution

The fourth proportional to 239,789.16, 330,902.76 and 132,356.88 is: 182,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,789.16 : 330,902.76 = 132,356.88 : x
  2. Step 2: Convert to fraction form
    239,789.16/330,902.76 = 132,356.88/x
  3. Step 3: Cross multiply
    239,789.16x = 330,902.76 × 132,356.88
  4. Step 4: Simplify right side
    239,789.16x = 43,797,256,896.99
  5. Step 5: Solve for x
    x = 43,797,256,896.99/239,789.16
  6. Step 6: Final answer
    x = 182,649.03

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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.