Home / 193,829.68-290,857.32-81,501.76

Finding the Fourth Proportional to 193,829.68, 290,857.32 and 81,501.76

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Solution

The fourth proportional to 193,829.68, 290,857.32 and 81,501.76 is: 122,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,829.68 : 290,857.32 = 81,501.76 : x
  2. Step 2: Convert to fraction form
    193,829.68/290,857.32 = 81,501.76/x
  3. Step 3: Cross multiply
    193,829.68x = 290,857.32 × 81,501.76
  4. Step 4: Simplify right side
    193,829.68x = 23,705,383,488.88
  5. Step 5: Solve for x
    x = 23,705,383,488.88/193,829.68
  6. Step 6: Final answer
    x = 122,300.07

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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.