Home / 181,685.28-250,723.24-101,112.78

Finding the Fourth Proportional to 181,685.28, 250,723.24 and 101,112.78

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Solution

The fourth proportional to 181,685.28, 250,723.24 and 101,112.78 is: 139,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,685.28 : 250,723.24 = 101,112.78 : x
  2. Step 2: Convert to fraction form
    181,685.28/250,723.24 = 101,112.78/x
  3. Step 3: Cross multiply
    181,685.28x = 250,723.24 × 101,112.78
  4. Step 4: Simplify right side
    181,685.28x = 25,351,324,778.82
  5. Step 5: Solve for x
    x = 25,351,324,778.82/181,685.28
  6. Step 6: Final answer
    x = 139,534.28

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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.