Home / 235,177.72-324,494.58-139,716.52

Finding the Fourth Proportional to 235,177.72, 324,494.58 and 139,716.52

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Solution

The fourth proportional to 235,177.72, 324,494.58 and 139,716.52 is: 192,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,177.72 : 324,494.58 = 139,716.52 : x
  2. Step 2: Convert to fraction form
    235,177.72/324,494.58 = 139,716.52/x
  3. Step 3: Cross multiply
    235,177.72x = 324,494.58 × 139,716.52
  4. Step 4: Simplify right side
    235,177.72x = 45,337,253,476.46
  5. Step 5: Solve for x
    x = 45,337,253,476.46/235,177.72
  6. Step 6: Final answer
    x = 192,778.69

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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.