Home / 445,509.30-667,279.80-179,132.70

Finding the Fourth Proportional to 445,509.30, 667,279.80 and 179,132.70

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Solution

The fourth proportional to 445,509.30, 667,279.80 and 179,132.70 is: 268,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,509.30 : 667,279.80 = 179,132.70 : x
  2. Step 2: Convert to fraction form
    445,509.30/667,279.80 = 179,132.70/x
  3. Step 3: Cross multiply
    445,509.30x = 667,279.80 × 179,132.70
  4. Step 4: Simplify right side
    445,509.30x = 119,531,632,229.46
  5. Step 5: Solve for x
    x = 119,531,632,229.46/445,509.30
  6. Step 6: Final answer
    x = 268,303.34

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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.