Home / 199,327.29-298,925.92-66,171.79

Finding the Fourth Proportional to 199,327.29, 298,925.92 and 66,171.79

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Solution

The fourth proportional to 199,327.29, 298,925.92 and 66,171.79 is: 99,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,327.29 : 298,925.92 = 66,171.79 : x
  2. Step 2: Convert to fraction form
    199,327.29/298,925.92 = 66,171.79/x
  3. Step 3: Cross multiply
    199,327.29x = 298,925.92 × 66,171.79
  4. Step 4: Simplify right side
    199,327.29x = 19,780,463,203.80
  5. Step 5: Solve for x
    x = 19,780,463,203.80/199,327.29
  6. Step 6: Final answer
    x = 99,236.10

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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.