Home / 129,735.45-194,676.08-70,575.26

Finding the Fourth Proportional to 129,735.45, 194,676.08 and 70,575.26

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Solution

The fourth proportional to 129,735.45, 194,676.08 and 70,575.26 is: 105,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,735.45 : 194,676.08 = 70,575.26 : x
  2. Step 2: Convert to fraction form
    129,735.45/194,676.08 = 70,575.26/x
  3. Step 3: Cross multiply
    129,735.45x = 194,676.08 × 70,575.26
  4. Step 4: Simplify right side
    129,735.45x = 13,739,313,635.52
  5. Step 5: Solve for x
    x = 13,739,313,635.52/129,735.45
  6. Step 6: Final answer
    x = 105,902.54

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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.