Home / 123,800.03-170,843.57-67,211.39

Finding the Fourth Proportional to 123,800.03, 170,843.57 and 67,211.39

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Solution

The fourth proportional to 123,800.03, 170,843.57 and 67,211.39 is: 92,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,800.03 : 170,843.57 = 67,211.39 : x
  2. Step 2: Convert to fraction form
    123,800.03/170,843.57 = 67,211.39/x
  3. Step 3: Cross multiply
    123,800.03x = 170,843.57 × 67,211.39
  4. Step 4: Simplify right side
    123,800.03x = 11,482,633,476.21
  5. Step 5: Solve for x
    x = 11,482,633,476.21/123,800.03
  6. Step 6: Final answer
    x = 92,751.46

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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.