Home / 126,614.14-189,851.10-51,786.83

Finding the Fourth Proportional to 126,614.14, 189,851.10 and 51,786.83

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Solution

The fourth proportional to 126,614.14, 189,851.10 and 51,786.83 is: 77,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.14 : 189,851.10 = 51,786.83 : x
  2. Step 2: Convert to fraction form
    126,614.14/189,851.10 = 51,786.83/x
  3. Step 3: Cross multiply
    126,614.14x = 189,851.10 × 51,786.83
  4. Step 4: Simplify right side
    126,614.14x = 9,831,787,552.54
  5. Step 5: Solve for x
    x = 9,831,787,552.54/126,614.14
  6. Step 6: Final answer
    x = 77,651.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.