Home / 188,426.43-260,042.94-107,879.22

Finding the Fourth Proportional to 188,426.43, 260,042.94 and 107,879.22

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Solution

The fourth proportional to 188,426.43, 260,042.94 and 107,879.22 is: 148,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,426.43 : 260,042.94 = 107,879.22 : x
  2. Step 2: Convert to fraction form
    188,426.43/260,042.94 = 107,879.22/x
  3. Step 3: Cross multiply
    188,426.43x = 260,042.94 × 107,879.22
  4. Step 4: Simplify right side
    188,426.43x = 28,053,229,533.71
  5. Step 5: Solve for x
    x = 28,053,229,533.71/188,426.43
  6. Step 6: Final answer
    x = 148,881.61

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1.5x scale

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.