Home / 126,628.21-189,948.66-37,882.45

Finding the Fourth Proportional to 126,628.21, 189,948.66 and 37,882.45

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Solution

The fourth proportional to 126,628.21, 189,948.66 and 37,882.45 is: 56,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,628.21 : 189,948.66 = 37,882.45 : x
  2. Step 2: Convert to fraction form
    126,628.21/189,948.66 = 37,882.45/x
  3. Step 3: Cross multiply
    126,628.21x = 189,948.66 × 37,882.45
  4. Step 4: Simplify right side
    126,628.21x = 7,195,720,615.02
  5. Step 5: Solve for x
    x = 7,195,720,615.02/126,628.21
  6. Step 6: Final answer
    x = 56,825.57

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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.