Home / 123,769.04-170,801.44-67,180.44

Finding the Fourth Proportional to 123,769.04, 170,801.44 and 67,180.44

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Solution

The fourth proportional to 123,769.04, 170,801.44 and 67,180.44 is: 92,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,769.04 : 170,801.44 = 67,180.44 : x
  2. Step 2: Convert to fraction form
    123,769.04/170,801.44 = 67,180.44/x
  3. Step 3: Cross multiply
    123,769.04x = 170,801.44 × 67,180.44
  4. Step 4: Simplify right side
    123,769.04x = 11,474,515,891.83
  5. Step 5: Solve for x
    x = 11,474,515,891.83/123,769.04
  6. Step 6: Final answer
    x = 92,709.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.