Home / 129,771.60-194,620.95-41,052.30

Finding the Fourth Proportional to 129,771.60, 194,620.95 and 41,052.30

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Solution

The fourth proportional to 129,771.60, 194,620.95 and 41,052.30 is: 61,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,771.60 : 194,620.95 = 41,052.30 : x
  2. Step 2: Convert to fraction form
    129,771.60/194,620.95 = 41,052.30/x
  3. Step 3: Cross multiply
    129,771.60x = 194,620.95 × 41,052.30
  4. Step 4: Simplify right side
    129,771.60x = 7,989,637,625.69
  5. Step 5: Solve for x
    x = 7,989,637,625.69/129,771.60
  6. Step 6: Final answer
    x = 61,566.92

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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.