Home / 165,168.40-247,789.52-52,855.37

Finding the Fourth Proportional to 165,168.40, 247,789.52 and 52,855.37

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Solution

The fourth proportional to 165,168.40, 247,789.52 and 52,855.37 is: 79,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,168.40 : 247,789.52 = 52,855.37 : x
  2. Step 2: Convert to fraction form
    165,168.40/247,789.52 = 52,855.37/x
  3. Step 3: Cross multiply
    165,168.40x = 247,789.52 × 52,855.37
  4. Step 4: Simplify right side
    165,168.40x = 13,097,006,761.72
  5. Step 5: Solve for x
    x = 13,097,006,761.72/165,168.40
  6. Step 6: Final answer
    x = 79,294.87

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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.