Home / 128,694.34-193,033.04-44,455.71

Finding the Fourth Proportional to 128,694.34, 193,033.04 and 44,455.71

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Solution

The fourth proportional to 128,694.34, 193,033.04 and 44,455.71 is: 66,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,694.34 : 193,033.04 = 44,455.71 : x
  2. Step 2: Convert to fraction form
    128,694.34/193,033.04 = 44,455.71/x
  3. Step 3: Cross multiply
    128,694.34x = 193,033.04 × 44,455.71
  4. Step 4: Simplify right side
    128,694.34x = 8,581,420,846.66
  5. Step 5: Solve for x
    x = 8,581,420,846.66/128,694.34
  6. Step 6: Final answer
    x = 66,680.64

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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.