Home / 199,635.60-299,453.40-164,206.20

Finding the Fourth Proportional to 199,635.60, 299,453.40 and 164,206.20

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Solution

The fourth proportional to 199,635.60, 299,453.40 and 164,206.20 is: 246,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,635.60 : 299,453.40 = 164,206.20 : x
  2. Step 2: Convert to fraction form
    199,635.60/299,453.40 = 164,206.20/x
  3. Step 3: Cross multiply
    199,635.60x = 299,453.40 × 164,206.20
  4. Step 4: Simplify right side
    199,635.60x = 49,172,104,891.08
  5. Step 5: Solve for x
    x = 49,172,104,891.08/199,635.60
  6. Step 6: Final answer
    x = 246,309.30

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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.