Home / 133,977.92-200,971.13-67,381.64

Finding the Fourth Proportional to 133,977.92, 200,971.13 and 67,381.64

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Solution

The fourth proportional to 133,977.92, 200,971.13 and 67,381.64 is: 101,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,977.92 : 200,971.13 = 67,381.64 : x
  2. Step 2: Convert to fraction form
    133,977.92/200,971.13 = 67,381.64/x
  3. Step 3: Cross multiply
    133,977.92x = 200,971.13 × 67,381.64
  4. Step 4: Simplify right side
    133,977.92x = 13,541,763,743.93
  5. Step 5: Solve for x
    x = 13,541,763,743.93/133,977.92
  6. Step 6: Final answer
    x = 101,074.60

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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.