Home / 193,147.70-289,721.55-186,149.30

Finding the Fourth Proportional to 193,147.70, 289,721.55 and 186,149.30

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Solution

The fourth proportional to 193,147.70, 289,721.55 and 186,149.30 is: 279,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,147.70 : 289,721.55 = 186,149.30 : x
  2. Step 2: Convert to fraction form
    193,147.70/289,721.55 = 186,149.30/x
  3. Step 3: Cross multiply
    193,147.70x = 289,721.55 × 186,149.30
  4. Step 4: Simplify right side
    193,147.70x = 53,931,463,727.42
  5. Step 5: Solve for x
    x = 53,931,463,727.42/193,147.70
  6. Step 6: Final answer
    x = 279,223.95

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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.