Home / 296,884.21-445,327.23-72,244.69

Finding the Fourth Proportional to 296,884.21, 445,327.23 and 72,244.69

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Solution

The fourth proportional to 296,884.21, 445,327.23 and 72,244.69 is: 108,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,884.21 : 445,327.23 = 72,244.69 : x
  2. Step 2: Convert to fraction form
    296,884.21/445,327.23 = 72,244.69/x
  3. Step 3: Cross multiply
    296,884.21x = 445,327.23 × 72,244.69
  4. Step 4: Simplify right side
    296,884.21x = 32,172,527,679.91
  5. Step 5: Solve for x
    x = 32,172,527,679.91/296,884.21
  6. Step 6: Final answer
    x = 108,367.26

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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.