Home / 422,541.09-633,834.74-107,000.73

Finding the Fourth Proportional to 422,541.09, 633,834.74 and 107,000.73

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Solution

The fourth proportional to 422,541.09, 633,834.74 and 107,000.73 is: 160,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,541.09 : 633,834.74 = 107,000.73 : x
  2. Step 2: Convert to fraction form
    422,541.09/633,834.74 = 107,000.73/x
  3. Step 3: Cross multiply
    422,541.09x = 633,834.74 × 107,000.73
  4. Step 4: Simplify right side
    422,541.09x = 67,820,780,146.86
  5. Step 5: Solve for x
    x = 67,820,780,146.86/422,541.09
  6. Step 6: Final answer
    x = 160,506.95

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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.