Home / 123,832.28-170,888.55-67,243.66

Finding the Fourth Proportional to 123,832.28, 170,888.55 and 67,243.66

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Solution

The fourth proportional to 123,832.28, 170,888.55 and 67,243.66 is: 92,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,832.28 : 170,888.55 = 67,243.66 : x
  2. Step 2: Convert to fraction form
    123,832.28/170,888.55 = 67,243.66/x
  3. Step 3: Cross multiply
    123,832.28x = 170,888.55 × 67,243.66
  4. Step 4: Simplify right side
    123,832.28x = 11,491,171,554.09
  5. Step 5: Solve for x
    x = 11,491,171,554.09/123,832.28
  6. Step 6: Final answer
    x = 92,796.25

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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.