Home / 147,914.67-221,213.21-131,382.03

Finding the Fourth Proportional to 147,914.67, 221,213.21 and 131,382.03

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Solution

The fourth proportional to 147,914.67, 221,213.21 and 131,382.03 is: 196,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,914.67 : 221,213.21 = 131,382.03 : x
  2. Step 2: Convert to fraction form
    147,914.67/221,213.21 = 131,382.03/x
  3. Step 3: Cross multiply
    147,914.67x = 221,213.21 × 131,382.03
  4. Step 4: Simplify right side
    147,914.67x = 29,063,439,935.71
  5. Step 5: Solve for x
    x = 29,063,439,935.71/147,914.67
  6. Step 6: Final answer
    x = 196,487.88

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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.