Home / 188,579.40-260,202.30-105,796.14

Finding the Fourth Proportional to 188,579.40, 260,202.30 and 105,796.14

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Solution

The fourth proportional to 188,579.40, 260,202.30 and 105,796.14 is: 145,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.40 : 260,202.30 = 105,796.14 : x
  2. Step 2: Convert to fraction form
    188,579.40/260,202.30 = 105,796.14/x
  3. Step 3: Cross multiply
    188,579.40x = 260,202.30 × 105,796.14
  4. Step 4: Simplify right side
    188,579.40x = 27,528,398,959.12
  5. Step 5: Solve for x
    x = 27,528,398,959.12/188,579.40
  6. Step 6: Final answer
    x = 145,977.76

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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.