Home / 134,658.45-201,992.78-50,409.75

Finding the Fourth Proportional to 134,658.45, 201,992.78 and 50,409.75

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Solution

The fourth proportional to 134,658.45, 201,992.78 and 50,409.75 is: 75,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,658.45 : 201,992.78 = 50,409.75 : x
  2. Step 2: Convert to fraction form
    134,658.45/201,992.78 = 50,409.75/x
  3. Step 3: Cross multiply
    134,658.45x = 201,992.78 × 50,409.75
  4. Step 4: Simplify right side
    134,658.45x = 10,182,405,541.61
  5. Step 5: Solve for x
    x = 10,182,405,541.61/134,658.45
  6. Step 6: Final answer
    x = 75,616.54

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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.