Home / 199,405.24-298,995.78-66,214.20

Finding the Fourth Proportional to 199,405.24, 298,995.78 and 66,214.20

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Solution

The fourth proportional to 199,405.24, 298,995.78 and 66,214.20 is: 99,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,405.24 : 298,995.78 = 66,214.20 : x
  2. Step 2: Convert to fraction form
    199,405.24/298,995.78 = 66,214.20/x
  3. Step 3: Cross multiply
    199,405.24x = 298,995.78 × 66,214.20
  4. Step 4: Simplify right side
    199,405.24x = 19,797,766,376.08
  5. Step 5: Solve for x
    x = 19,797,766,376.08/199,405.24
  6. Step 6: Final answer
    x = 99,284.08

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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.