Home / 199,433.24-299,062.22-74,686.76

Finding the Fourth Proportional to 199,433.24, 299,062.22 and 74,686.76

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Solution

The fourth proportional to 199,433.24, 299,062.22 and 74,686.76 is: 111,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,433.24 : 299,062.22 = 74,686.76 : x
  2. Step 2: Convert to fraction form
    199,433.24/299,062.22 = 74,686.76/x
  3. Step 3: Cross multiply
    199,433.24x = 299,062.22 × 74,686.76
  4. Step 4: Simplify right side
    199,433.24x = 22,335,988,250.21
  5. Step 5: Solve for x
    x = 22,335,988,250.21/199,433.24
  6. Step 6: Final answer
    x = 111,997.32

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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.