Home / 182,743.35-274,138.64-70,455.68

Finding the Fourth Proportional to 182,743.35, 274,138.64 and 70,455.68

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Solution

The fourth proportional to 182,743.35, 274,138.64 and 70,455.68 is: 105,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,743.35 : 274,138.64 = 70,455.68 : x
  2. Step 2: Convert to fraction form
    182,743.35/274,138.64 = 70,455.68/x
  3. Step 3: Cross multiply
    182,743.35x = 274,138.64 × 70,455.68
  4. Step 4: Simplify right side
    182,743.35x = 19,314,624,295.48
  5. Step 5: Solve for x
    x = 19,314,624,295.48/182,743.35
  6. Step 6: Final answer
    x = 105,692.62

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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.