Home / 123,462.27-170,378.73-66,873.63

Finding the Fourth Proportional to 123,462.27, 170,378.73 and 66,873.63

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Solution

The fourth proportional to 123,462.27, 170,378.73 and 66,873.63 is: 92,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,462.27 : 170,378.73 = 66,873.63 : x
  2. Step 2: Convert to fraction form
    123,462.27/170,378.73 = 66,873.63/x
  3. Step 3: Cross multiply
    123,462.27x = 170,378.73 × 66,873.63
  4. Step 4: Simplify right side
    123,462.27x = 11,393,844,149.89
  5. Step 5: Solve for x
    x = 11,393,844,149.89/123,462.27
  6. Step 6: Final answer
    x = 92,286.04

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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.