Home / 123,441.98-170,360.42-69,736.85

Finding the Fourth Proportional to 123,441.98, 170,360.42 and 69,736.85

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Solution

The fourth proportional to 123,441.98, 170,360.42 and 69,736.85 is: 96,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441.98 : 170,360.42 = 69,736.85 : x
  2. Step 2: Convert to fraction form
    123,441.98/170,360.42 = 69,736.85/x
  3. Step 3: Cross multiply
    123,441.98x = 170,360.42 × 69,736.85
  4. Step 4: Simplify right side
    123,441.98x = 11,880,398,493.84
  5. Step 5: Solve for x
    x = 11,880,398,493.84/123,441.98
  6. Step 6: Final answer
    x = 96,242.78

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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.