Home / 135,014.94-202,407.54-82,461.36

Finding the Fourth Proportional to 135,014.94, 202,407.54 and 82,461.36

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Solution

The fourth proportional to 135,014.94, 202,407.54 and 82,461.36 is: 123,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,014.94 : 202,407.54 = 82,461.36 : x
  2. Step 2: Convert to fraction form
    135,014.94/202,407.54 = 82,461.36/x
  3. Step 3: Cross multiply
    135,014.94x = 202,407.54 × 82,461.36
  4. Step 4: Simplify right side
    135,014.94x = 16,690,801,022.65
  5. Step 5: Solve for x
    x = 16,690,801,022.65/135,014.94
  6. Step 6: Final answer
    x = 123,621.88

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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.