Home / 188,835.84-260,583.84-103,936.56

Finding the Fourth Proportional to 188,835.84, 260,583.84 and 103,936.56

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Solution

The fourth proportional to 188,835.84, 260,583.84 and 103,936.56 is: 143,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,835.84 : 260,583.84 = 103,936.56 : x
  2. Step 2: Convert to fraction form
    188,835.84/260,583.84 = 103,936.56/x
  3. Step 3: Cross multiply
    188,835.84x = 260,583.84 × 103,936.56
  4. Step 4: Simplify right side
    188,835.84x = 27,084,187,921.19
  5. Step 5: Solve for x
    x = 27,084,187,921.19/188,835.84
  6. Step 6: Final answer
    x = 143,427.16

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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.