Home / 482,198.85-723,328.34-127,213.21

Finding the Fourth Proportional to 482,198.85, 723,328.34 and 127,213.21

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Solution

The fourth proportional to 482,198.85, 723,328.34 and 127,213.21 is: 190,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,198.85 : 723,328.34 = 127,213.21 : x
  2. Step 2: Convert to fraction form
    482,198.85/723,328.34 = 127,213.21/x
  3. Step 3: Cross multiply
    482,198.85x = 723,328.34 × 127,213.21
  4. Step 4: Simplify right side
    482,198.85x = 92,016,920,119.85
  5. Step 5: Solve for x
    x = 92,016,920,119.85/482,198.85
  6. Step 6: Final answer
    x = 190,827.75

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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.