Home / 637,976.10-957,151.26-188,708.78

Finding the Fourth Proportional to 637,976.10, 957,151.26 and 188,708.78

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Solution

The fourth proportional to 637,976.10, 957,151.26 and 188,708.78 is: 283,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,976.10 : 957,151.26 = 188,708.78 : x
  2. Step 2: Convert to fraction form
    637,976.10/957,151.26 = 188,708.78/x
  3. Step 3: Cross multiply
    637,976.10x = 957,151.26 × 188,708.78
  4. Step 4: Simplify right side
    637,976.10x = 180,622,846,550.06
  5. Step 5: Solve for x
    x = 180,622,846,550.06/637,976.10
  6. Step 6: Final answer
    x = 283,118.52

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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.