Home / 123,734.28-170,752.46-67,145.66

Finding the Fourth Proportional to 123,734.28, 170,752.46 and 67,145.66

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Solution

The fourth proportional to 123,734.28, 170,752.46 and 67,145.66 is: 92,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,734.28 : 170,752.46 = 67,145.66 : x
  2. Step 2: Convert to fraction form
    123,734.28/170,752.46 = 67,145.66/x
  3. Step 3: Cross multiply
    123,734.28x = 170,752.46 × 67,145.66
  4. Step 4: Simplify right side
    123,734.28x = 11,465,286,074.15
  5. Step 5: Solve for x
    x = 11,465,286,074.15/123,734.28
  6. Step 6: Final answer
    x = 92,660.54

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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.