Home / 188,943.42-260,733.51-108,313.14

Finding the Fourth Proportional to 188,943.42, 260,733.51 and 108,313.14

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Solution

The fourth proportional to 188,943.42, 260,733.51 and 108,313.14 is: 149,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.42 : 260,733.51 = 108,313.14 : x
  2. Step 2: Convert to fraction form
    188,943.42/260,733.51 = 108,313.14/x
  3. Step 3: Cross multiply
    188,943.42x = 260,733.51 × 108,313.14
  4. Step 4: Simplify right side
    188,943.42x = 28,240,865,171.32
  5. Step 5: Solve for x
    x = 28,240,865,171.32/188,943.42
  6. Step 6: Final answer
    x = 149,467.31

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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.