Home / 293,943.56-440,835.24-80,660.90

Finding the Fourth Proportional to 293,943.56, 440,835.24 and 80,660.90

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Solution

The fourth proportional to 293,943.56, 440,835.24 and 80,660.90 is: 120,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,943.56 : 440,835.24 = 80,660.90 : x
  2. Step 2: Convert to fraction form
    293,943.56/440,835.24 = 80,660.90/x
  3. Step 3: Cross multiply
    293,943.56x = 440,835.24 × 80,660.90
  4. Step 4: Simplify right side
    293,943.56x = 35,558,167,210.12
  5. Step 5: Solve for x
    x = 35,558,167,210.12/293,943.56
  6. Step 6: Final answer
    x = 120,969.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.