Home / 239,836.20-330,974.02-132,406.32

Finding the Fourth Proportional to 239,836.20, 330,974.02 and 132,406.32

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Solution

The fourth proportional to 239,836.20, 330,974.02 and 132,406.32 is: 182,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,836.20 : 330,974.02 = 132,406.32 : x
  2. Step 2: Convert to fraction form
    239,836.20/330,974.02 = 132,406.32/x
  3. Step 3: Cross multiply
    239,836.20x = 330,974.02 × 132,406.32
  4. Step 4: Simplify right side
    239,836.20x = 43,823,052,003.81
  5. Step 5: Solve for x
    x = 43,823,052,003.81/239,836.20
  6. Step 6: Final answer
    x = 182,720.76

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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.