Home / 433,142.10-649,805.85-129,560.07

Finding the Fourth Proportional to 433,142.10, 649,805.85 and 129,560.07

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Solution

The fourth proportional to 433,142.10, 649,805.85 and 129,560.07 is: 194,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,142.10 : 649,805.85 = 129,560.07 : x
  2. Step 2: Convert to fraction form
    433,142.10/649,805.85 = 129,560.07/x
  3. Step 3: Cross multiply
    433,142.10x = 649,805.85 × 129,560.07
  4. Step 4: Simplify right side
    433,142.10x = 84,188,891,412.41
  5. Step 5: Solve for x
    x = 84,188,891,412.41/433,142.10
  6. Step 6: Final answer
    x = 194,367.83

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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.