Home / 139,949.93-193,021.66-96,945.65

Finding the Fourth Proportional to 139,949.93, 193,021.66 and 96,945.65

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Solution

The fourth proportional to 139,949.93, 193,021.66 and 96,945.65 is: 133,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,949.93 : 193,021.66 = 96,945.65 : x
  2. Step 2: Convert to fraction form
    139,949.93/193,021.66 = 96,945.65/x
  3. Step 3: Cross multiply
    139,949.93x = 193,021.66 × 96,945.65
  4. Step 4: Simplify right side
    139,949.93x = 18,712,609,628.59
  5. Step 5: Solve for x
    x = 18,712,609,628.59/139,949.93
  6. Step 6: Final answer
    x = 133,709.32

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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.