Home / 445,020.48-667,308.96-145,462.08

Finding the Fourth Proportional to 445,020.48, 667,308.96 and 145,462.08

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Solution

The fourth proportional to 445,020.48, 667,308.96 and 145,462.08 is: 218,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,020.48 : 667,308.96 = 145,462.08 : x
  2. Step 2: Convert to fraction form
    445,020.48/667,308.96 = 145,462.08/x
  3. Step 3: Cross multiply
    445,020.48x = 667,308.96 × 145,462.08
  4. Step 4: Simplify right side
    445,020.48x = 97,068,149,324.24
  5. Step 5: Solve for x
    x = 97,068,149,324.24/445,020.48
  6. Step 6: Final answer
    x = 218,120.63

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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.