Home / 129,181.30-193,775.58-35,687.05

Finding the Fourth Proportional to 129,181.30, 193,775.58 and 35,687.05

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Solution

The fourth proportional to 129,181.30, 193,775.58 and 35,687.05 is: 53,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,181.30 : 193,775.58 = 35,687.05 : x
  2. Step 2: Convert to fraction form
    129,181.30/193,775.58 = 35,687.05/x
  3. Step 3: Cross multiply
    129,181.30x = 193,775.58 × 35,687.05
  4. Step 4: Simplify right side
    129,181.30x = 6,915,278,327.80
  5. Step 5: Solve for x
    x = 6,915,278,327.80/129,181.30
  6. Step 6: Final answer
    x = 53,531.58

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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.