Home / 129,964.20-194,735.10-117,522.60

Finding the Fourth Proportional to 129,964.20, 194,735.10 and 117,522.60

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Solution

The fourth proportional to 129,964.20, 194,735.10 and 117,522.60 is: 176,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,964.20 : 194,735.10 = 117,522.60 : x
  2. Step 2: Convert to fraction form
    129,964.20/194,735.10 = 117,522.60/x
  3. Step 3: Cross multiply
    129,964.20x = 194,735.10 × 117,522.60
  4. Step 4: Simplify right side
    129,964.20x = 22,885,775,263.26
  5. Step 5: Solve for x
    x = 22,885,775,263.26/129,964.20
  6. Step 6: Final answer
    x = 176,092.92

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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.