Home / 165,165.36-247,764.45-52,817.36

Finding the Fourth Proportional to 165,165.36, 247,764.45 and 52,817.36

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Solution

The fourth proportional to 165,165.36, 247,764.45 and 52,817.36 is: 79,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,165.36 : 247,764.45 = 52,817.36 : x
  2. Step 2: Convert to fraction form
    165,165.36/247,764.45 = 52,817.36/x
  3. Step 3: Cross multiply
    165,165.36x = 247,764.45 × 52,817.36
  4. Step 4: Simplify right side
    165,165.36x = 13,086,262,912.03
  5. Step 5: Solve for x
    x = 13,086,262,912.03/165,165.36
  6. Step 6: Final answer
    x = 79,231.28

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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.