Home / 451,647.28-677,471.19-114,713.20

Finding the Fourth Proportional to 451,647.28, 677,471.19 and 114,713.20

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Solution

The fourth proportional to 451,647.28, 677,471.19 and 114,713.20 is: 172,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,647.28 : 677,471.19 = 114,713.20 : x
  2. Step 2: Convert to fraction form
    451,647.28/677,471.19 = 114,713.20/x
  3. Step 3: Cross multiply
    451,647.28x = 677,471.19 × 114,713.20
  4. Step 4: Simplify right side
    451,647.28x = 77,714,888,112.71
  5. Step 5: Solve for x
    x = 77,714,888,112.71/451,647.28
  6. Step 6: Final answer
    x = 172,069.87

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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.