Home / 146,754.57-220,205.72-109,389.68

Finding the Fourth Proportional to 146,754.57, 220,205.72 and 109,389.68

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Solution

The fourth proportional to 146,754.57, 220,205.72 and 109,389.68 is: 164,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,754.57 : 220,205.72 = 109,389.68 : x
  2. Step 2: Convert to fraction form
    146,754.57/220,205.72 = 109,389.68/x
  3. Step 3: Cross multiply
    146,754.57x = 220,205.72 × 109,389.68
  4. Step 4: Simplify right side
    146,754.57x = 24,088,233,244.97
  5. Step 5: Solve for x
    x = 24,088,233,244.97/146,754.57
  6. Step 6: Final answer
    x = 164,139.58

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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.