Home / 129,495.12-194,245.20-35,999.52

Finding the Fourth Proportional to 129,495.12, 194,245.20 and 35,999.52

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Solution

The fourth proportional to 129,495.12, 194,245.20 and 35,999.52 is: 53,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,495.12 : 194,245.20 = 35,999.52 : x
  2. Step 2: Convert to fraction form
    129,495.12/194,245.20 = 35,999.52/x
  3. Step 3: Cross multiply
    129,495.12x = 194,245.20 × 35,999.52
  4. Step 4: Simplify right side
    129,495.12x = 6,992,733,962.30
  5. Step 5: Solve for x
    x = 6,992,733,962.30/129,495.12
  6. Step 6: Final answer
    x = 53,999.98

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1.5x scale

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.