Home / 293,947.06-440,873.36-80,665.15

Finding the Fourth Proportional to 293,947.06, 440,873.36 and 80,665.15

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Solution

The fourth proportional to 293,947.06, 440,873.36 and 80,665.15 is: 120,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,947.06 : 440,873.36 = 80,665.15 : x
  2. Step 2: Convert to fraction form
    293,947.06/440,873.36 = 80,665.15/x
  3. Step 3: Cross multiply
    293,947.06x = 440,873.36 × 80,665.15
  4. Step 4: Simplify right side
    293,947.06x = 35,563,113,107.71
  5. Step 5: Solve for x
    x = 35,563,113,107.71/293,947.06
  6. Step 6: Final answer
    x = 120,984.76

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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.