Home / 445,933.43-669,002.30-193,256.31

Finding the Fourth Proportional to 445,933.43, 669,002.30 and 193,256.31

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Solution

The fourth proportional to 445,933.43, 669,002.30 and 193,256.31 is: 289,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.43 : 669,002.30 = 193,256.31 : x
  2. Step 2: Convert to fraction form
    445,933.43/669,002.30 = 193,256.31/x
  3. Step 3: Cross multiply
    445,933.43x = 669,002.30 × 193,256.31
  4. Step 4: Simplify right side
    445,933.43x = 129,288,915,879.51
  5. Step 5: Solve for x
    x = 129,288,915,879.51/445,933.43
  6. Step 6: Final answer
    x = 289,928.74

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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.