Home / 129,222.34-193,834.32-40,469.02

Finding the Fourth Proportional to 129,222.34, 193,834.32 and 40,469.02

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Solution

The fourth proportional to 129,222.34, 193,834.32 and 40,469.02 is: 60,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,222.34 : 193,834.32 = 40,469.02 : x
  2. Step 2: Convert to fraction form
    129,222.34/193,834.32 = 40,469.02/x
  3. Step 3: Cross multiply
    129,222.34x = 193,834.32 × 40,469.02
  4. Step 4: Simplify right side
    129,222.34x = 7,844,284,972.77
  5. Step 5: Solve for x
    x = 7,844,284,972.77/129,222.34
  6. Step 6: Final answer
    x = 60,703.78

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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.