Home / 149,163.28-223,826.91-70,275.49

Finding the Fourth Proportional to 149,163.28, 223,826.91 and 70,275.49

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Solution

The fourth proportional to 149,163.28, 223,826.91 and 70,275.49 is: 105,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,163.28 : 223,826.91 = 70,275.49 : x
  2. Step 2: Convert to fraction form
    149,163.28/223,826.91 = 70,275.49/x
  3. Step 3: Cross multiply
    149,163.28x = 223,826.91 × 70,275.49
  4. Step 4: Simplify right side
    149,163.28x = 15,729,545,775.44
  5. Step 5: Solve for x
    x = 15,729,545,775.44/149,163.28
  6. Step 6: Final answer
    x = 105,451.86

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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.