Home / 274,237.20-411,161.40-105,692.40

Finding the Fourth Proportional to 274,237.20, 411,161.40 and 105,692.40

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Solution

The fourth proportional to 274,237.20, 411,161.40 and 105,692.40 is: 158,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,237.20 : 411,161.40 = 105,692.40 : x
  2. Step 2: Convert to fraction form
    274,237.20/411,161.40 = 105,692.40/x
  3. Step 3: Cross multiply
    274,237.20x = 411,161.40 × 105,692.40
  4. Step 4: Simplify right side
    274,237.20x = 43,456,635,153.36
  5. Step 5: Solve for x
    x = 43,456,635,153.36/274,237.20
  6. Step 6: Final answer
    x = 158,463.68

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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.