Home / 445,570.20-667,772.10-179,112.60

Finding the Fourth Proportional to 445,570.20, 667,772.10 and 179,112.60

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Solution

The fourth proportional to 445,570.20, 667,772.10 and 179,112.60 is: 268,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,570.20 : 667,772.10 = 179,112.60 : x
  2. Step 2: Convert to fraction form
    445,570.20/667,772.10 = 179,112.60/x
  3. Step 3: Cross multiply
    445,570.20x = 667,772.10 × 179,112.60
  4. Step 4: Simplify right side
    445,570.20x = 119,606,397,038.46
  5. Step 5: Solve for x
    x = 119,606,397,038.46/445,570.20
  6. Step 6: Final answer
    x = 268,434.46

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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.