Home / 235,268.69-324,634.24-139,772.93

Finding the Fourth Proportional to 235,268.69, 324,634.24 and 139,772.93

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Solution

The fourth proportional to 235,268.69, 324,634.24 and 139,772.93 is: 192,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,268.69 : 324,634.24 = 139,772.93 : x
  2. Step 2: Convert to fraction form
    235,268.69/324,634.24 = 139,772.93/x
  3. Step 3: Cross multiply
    235,268.69x = 324,634.24 × 139,772.93
  4. Step 4: Simplify right side
    235,268.69x = 45,375,078,903.12
  5. Step 5: Solve for x
    x = 45,375,078,903.12/235,268.69
  6. Step 6: Final answer
    x = 192,864.93

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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.