Home / 188,935.48-260,754.80-108,361.28

Finding the Fourth Proportional to 188,935.48, 260,754.80 and 108,361.28

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Solution

The fourth proportional to 188,935.48, 260,754.80 and 108,361.28 is: 149,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,935.48 : 260,754.80 = 108,361.28 : x
  2. Step 2: Convert to fraction form
    188,935.48/260,754.80 = 108,361.28/x
  3. Step 3: Cross multiply
    188,935.48x = 260,754.80 × 108,361.28
  4. Step 4: Simplify right side
    188,935.48x = 28,255,723,894.14
  5. Step 5: Solve for x
    x = 28,255,723,894.14/188,935.48
  6. Step 6: Final answer
    x = 149,552.24

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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.