Home / 118,946.38-178,449.54-83,954.38

Finding the Fourth Proportional to 118,946.38, 178,449.54 and 83,954.38

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Solution

The fourth proportional to 118,946.38, 178,449.54 and 83,954.38 is: 125,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,946.38 : 178,449.54 = 83,954.38 : x
  2. Step 2: Convert to fraction form
    118,946.38/178,449.54 = 83,954.38/x
  3. Step 3: Cross multiply
    118,946.38x = 178,449.54 × 83,954.38
  4. Step 4: Simplify right side
    118,946.38x = 14,981,620,491.99
  5. Step 5: Solve for x
    x = 14,981,620,491.99/118,946.38
  6. Step 6: Final answer
    x = 125,952.72

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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.