Home / 193,849.12-290,664.33-75,384.80

Finding the Fourth Proportional to 193,849.12, 290,664.33 and 75,384.80

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Solution

The fourth proportional to 193,849.12, 290,664.33 and 75,384.80 is: 113,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,849.12 : 290,664.33 = 75,384.80 : x
  2. Step 2: Convert to fraction form
    193,849.12/290,664.33 = 75,384.80/x
  3. Step 3: Cross multiply
    193,849.12x = 290,664.33 × 75,384.80
  4. Step 4: Simplify right side
    193,849.12x = 21,911,672,384.18
  5. Step 5: Solve for x
    x = 21,911,672,384.18/193,849.12
  6. Step 6: Final answer
    x = 113,034.68

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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.