Home / 139,276.46-192,203.64-75,614.26

Finding the Fourth Proportional to 139,276.46, 192,203.64 and 75,614.26

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Solution

The fourth proportional to 139,276.46, 192,203.64 and 75,614.26 is: 104,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,276.46 : 192,203.64 = 75,614.26 : x
  2. Step 2: Convert to fraction form
    139,276.46/192,203.64 = 75,614.26/x
  3. Step 3: Cross multiply
    139,276.46x = 192,203.64 × 75,614.26
  4. Step 4: Simplify right side
    139,276.46x = 14,533,336,007.91
  5. Step 5: Solve for x
    x = 14,533,336,007.91/139,276.46
  6. Step 6: Final answer
    x = 104,348.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.