Home / 165,251.48-247,832.94-71,735

Finding the Fourth Proportional to 165,251.48, 247,832.94 and 71,735

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Solution

The fourth proportional to 165,251.48, 247,832.94 and 71,735 is: 107,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,251.48 : 247,832.94 = 71,735 : x
  2. Step 2: Convert to fraction form
    165,251.48/247,832.94 = 71,735/x
  3. Step 3: Cross multiply
    165,251.48x = 247,832.94 × 71,735
  4. Step 4: Simplify right side
    165,251.48x = 17,778,295,950.90
  5. Step 5: Solve for x
    x = 17,778,295,950.90/165,251.48
  6. Step 6: Final answer
    x = 107,583.28

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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.