Home / 119,022.69-178,535.06-30,276.28

Finding the Fourth Proportional to 119,022.69, 178,535.06 and 30,276.28

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Solution

The fourth proportional to 119,022.69, 178,535.06 and 30,276.28 is: 45,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,022.69 : 178,535.06 = 30,276.28 : x
  2. Step 2: Convert to fraction form
    119,022.69/178,535.06 = 30,276.28/x
  3. Step 3: Cross multiply
    119,022.69x = 178,535.06 × 30,276.28
  4. Step 4: Simplify right side
    119,022.69x = 5,405,377,736.85
  5. Step 5: Solve for x
    x = 5,405,377,736.85/119,022.69
  6. Step 6: Final answer
    x = 45,414.68

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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.