Home / 133,339.24-199,979.20-38,548.72

Finding the Fourth Proportional to 133,339.24, 199,979.20 and 38,548.72

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Solution

The fourth proportional to 133,339.24, 199,979.20 and 38,548.72 is: 57,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,339.24 : 199,979.20 = 38,548.72 : x
  2. Step 2: Convert to fraction form
    133,339.24/199,979.20 = 38,548.72/x
  3. Step 3: Cross multiply
    133,339.24x = 199,979.20 × 38,548.72
  4. Step 4: Simplify right side
    133,339.24x = 7,708,942,186.62
  5. Step 5: Solve for x
    x = 7,708,942,186.62/133,339.24
  6. Step 6: Final answer
    x = 57,814.51

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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.