Home / 193,135.04-289,711.20-52,890.56

Finding the Fourth Proportional to 193,135.04, 289,711.20 and 52,890.56

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Solution

The fourth proportional to 193,135.04, 289,711.20 and 52,890.56 is: 79,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,135.04 : 289,711.20 = 52,890.56 : x
  2. Step 2: Convert to fraction form
    193,135.04/289,711.20 = 52,890.56/x
  3. Step 3: Cross multiply
    193,135.04x = 289,711.20 × 52,890.56
  4. Step 4: Simplify right side
    193,135.04x = 15,322,987,606.27
  5. Step 5: Solve for x
    x = 15,322,987,606.27/193,135.04
  6. Step 6: Final answer
    x = 79,338.21

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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.