Home / 129,245.88-193,869.08-35,751.90

Finding the Fourth Proportional to 129,245.88, 193,869.08 and 35,751.90

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Solution

The fourth proportional to 129,245.88, 193,869.08 and 35,751.90 is: 53,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,245.88 : 193,869.08 = 35,751.90 : x
  2. Step 2: Convert to fraction form
    129,245.88/193,869.08 = 35,751.90/x
  3. Step 3: Cross multiply
    129,245.88x = 193,869.08 × 35,751.90
  4. Step 4: Simplify right side
    129,245.88x = 6,931,187,961.25
  5. Step 5: Solve for x
    x = 6,931,187,961.25/129,245.88
  6. Step 6: Final answer
    x = 53,627.92

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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.