Home / 123,273.22-170,116.92-66,684.58

Finding the Fourth Proportional to 123,273.22, 170,116.92 and 66,684.58

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Solution

The fourth proportional to 123,273.22, 170,116.92 and 66,684.58 is: 92,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,273.22 : 170,116.92 = 66,684.58 : x
  2. Step 2: Convert to fraction form
    123,273.22/170,116.92 = 66,684.58/x
  3. Step 3: Cross multiply
    123,273.22x = 170,116.92 × 66,684.58
  4. Step 4: Simplify right side
    123,273.22x = 11,344,175,361.09
  5. Step 5: Solve for x
    x = 11,344,175,361.09/123,273.22
  6. Step 6: Final answer
    x = 92,024.65

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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.