Home / 129,193.12-193,789.77-35,698.96

Finding the Fourth Proportional to 129,193.12, 193,789.77 and 35,698.96

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Solution

The fourth proportional to 129,193.12, 193,789.77 and 35,698.96 is: 53,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,193.12 : 193,789.77 = 35,698.96 : x
  2. Step 2: Convert to fraction form
    129,193.12/193,789.77 = 35,698.96/x
  3. Step 3: Cross multiply
    129,193.12x = 193,789.77 × 35,698.96
  4. Step 4: Simplify right side
    129,193.12x = 6,918,093,247.64
  5. Step 5: Solve for x
    x = 6,918,093,247.64/129,193.12
  6. Step 6: Final answer
    x = 53,548.46

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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.