Home / 119,163.24-164,447.25-65,453.22

Finding the Fourth Proportional to 119,163.24, 164,447.25 and 65,453.22

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Solution

The fourth proportional to 119,163.24, 164,447.25 and 65,453.22 is: 90,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,163.24 : 164,447.25 = 65,453.22 : x
  2. Step 2: Convert to fraction form
    119,163.24/164,447.25 = 65,453.22/x
  3. Step 3: Cross multiply
    119,163.24x = 164,447.25 × 65,453.22
  4. Step 4: Simplify right side
    119,163.24x = 10,763,602,032.65
  5. Step 5: Solve for x
    x = 10,763,602,032.65/119,163.24
  6. Step 6: Final answer
    x = 90,326.53

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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.