Home / 125,679.28-188,518.96-36,932.79

Finding the Fourth Proportional to 125,679.28, 188,518.96 and 36,932.79

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Solution

The fourth proportional to 125,679.28, 188,518.96 and 36,932.79 is: 55,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,679.28 : 188,518.96 = 36,932.79 : x
  2. Step 2: Convert to fraction form
    125,679.28/188,518.96 = 36,932.79/x
  3. Step 3: Cross multiply
    125,679.28x = 188,518.96 × 36,932.79
  4. Step 4: Simplify right side
    125,679.28x = 6,962,531,809.94
  5. Step 5: Solve for x
    x = 6,962,531,809.94/125,679.28
  6. Step 6: Final answer
    x = 55,399.20

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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.