Home / 123,867.26-170,937.72-67,278.66

Finding the Fourth Proportional to 123,867.26, 170,937.72 and 67,278.66

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Solution

The fourth proportional to 123,867.26, 170,937.72 and 67,278.66 is: 92,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,867.26 : 170,937.72 = 67,278.66 : x
  2. Step 2: Convert to fraction form
    123,867.26/170,937.72 = 67,278.66/x
  3. Step 3: Cross multiply
    123,867.26x = 170,937.72 × 67,278.66
  4. Step 4: Simplify right side
    123,867.26x = 11,500,460,745.06
  5. Step 5: Solve for x
    x = 11,500,460,745.06/123,867.26
  6. Step 6: Final answer
    x = 92,845.04

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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.