Home / 124,896.28-172,350.64-71,183.56

Finding the Fourth Proportional to 124,896.28, 172,350.64 and 71,183.56

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Solution

The fourth proportional to 124,896.28, 172,350.64 and 71,183.56 is: 98,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,896.28 : 172,350.64 = 71,183.56 : x
  2. Step 2: Convert to fraction form
    124,896.28/172,350.64 = 71,183.56/x
  3. Step 3: Cross multiply
    124,896.28x = 172,350.64 × 71,183.56
  4. Step 4: Simplify right side
    124,896.28x = 12,268,532,123.48
  5. Step 5: Solve for x
    x = 12,268,532,123.48/124,896.28
  6. Step 6: Final answer
    x = 98,229.76

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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.