Home / 445,500.24-668,257.92-146,012.64

Finding the Fourth Proportional to 445,500.24, 668,257.92 and 146,012.64

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Solution

The fourth proportional to 445,500.24, 668,257.92 and 146,012.64 is: 219,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,500.24 : 668,257.92 = 146,012.64 : x
  2. Step 2: Convert to fraction form
    445,500.24/668,257.92 = 146,012.64/x
  3. Step 3: Cross multiply
    445,500.24x = 668,257.92 × 146,012.64
  4. Step 4: Simplify right side
    445,500.24x = 97,574,103,100.11
  5. Step 5: Solve for x
    x = 97,574,103,100.11/445,500.24
  6. Step 6: Final answer
    x = 219,021.44

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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.