Home / 125,864.28-188,796.96-55,744.20

Finding the Fourth Proportional to 125,864.28, 188,796.96 and 55,744.20

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Solution

The fourth proportional to 125,864.28, 188,796.96 and 55,744.20 is: 83,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,864.28 : 188,796.96 = 55,744.20 : x
  2. Step 2: Convert to fraction form
    125,864.28/188,796.96 = 55,744.20/x
  3. Step 3: Cross multiply
    125,864.28x = 188,796.96 × 55,744.20
  4. Step 4: Simplify right side
    125,864.28x = 10,524,335,497.63
  5. Step 5: Solve for x
    x = 10,524,335,497.63/125,864.28
  6. Step 6: Final answer
    x = 83,616.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.