Home / 152,760.20-229,048.26-68,505.14

Finding the Fourth Proportional to 152,760.20, 229,048.26 and 68,505.14

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Solution

The fourth proportional to 152,760.20, 229,048.26 and 68,505.14 is: 102,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,760.20 : 229,048.26 = 68,505.14 : x
  2. Step 2: Convert to fraction form
    152,760.20/229,048.26 = 68,505.14/x
  3. Step 3: Cross multiply
    152,760.20x = 229,048.26 × 68,505.14
  4. Step 4: Simplify right side
    152,760.20x = 15,690,983,118.06
  5. Step 5: Solve for x
    x = 15,690,983,118.06/152,760.20
  6. Step 6: Final answer
    x = 102,716.43

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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.