Home / 129,433.50-194,150.25-35,939.34

Finding the Fourth Proportional to 129,433.50, 194,150.25 and 35,939.34

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Solution

The fourth proportional to 129,433.50, 194,150.25 and 35,939.34 is: 53,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433.50 : 194,150.25 = 35,939.34 : x
  2. Step 2: Convert to fraction form
    129,433.50/194,150.25 = 35,939.34/x
  3. Step 3: Cross multiply
    129,433.50x = 194,150.25 × 35,939.34
  4. Step 4: Simplify right side
    129,433.50x = 6,977,631,845.84
  5. Step 5: Solve for x
    x = 6,977,631,845.84/129,433.50
  6. Step 6: Final answer
    x = 53,909.01

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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.