Home / 199,392.24-299,138.76-66,273.15

Finding the Fourth Proportional to 199,392.24, 299,138.76 and 66,273.15

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Solution

The fourth proportional to 199,392.24, 299,138.76 and 66,273.15 is: 99,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392.24 : 299,138.76 = 66,273.15 : x
  2. Step 2: Convert to fraction form
    199,392.24/299,138.76 = 66,273.15/x
  3. Step 3: Cross multiply
    199,392.24x = 299,138.76 × 66,273.15
  4. Step 4: Simplify right side
    199,392.24x = 19,824,867,912.29
  5. Step 5: Solve for x
    x = 19,824,867,912.29/199,392.24
  6. Step 6: Final answer
    x = 99,426.48

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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.