Home / 445,829.86-668,744.79-192,903.31

Finding the Fourth Proportional to 445,829.86, 668,744.79 and 192,903.31

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Solution

The fourth proportional to 445,829.86, 668,744.79 and 192,903.31 is: 289,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,829.86 : 668,744.79 = 192,903.31 : x
  2. Step 2: Convert to fraction form
    445,829.86/668,744.79 = 192,903.31/x
  3. Step 3: Cross multiply
    445,829.86x = 668,744.79 × 192,903.31
  4. Step 4: Simplify right side
    445,829.86x = 129,003,083,536.26
  5. Step 5: Solve for x
    x = 129,003,083,536.26/445,829.86
  6. Step 6: Final answer
    x = 289,354.97

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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.