Home / 133,049.20-199,573.80-69,844.90

Finding the Fourth Proportional to 133,049.20, 199,573.80 and 69,844.90

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Solution

The fourth proportional to 133,049.20, 199,573.80 and 69,844.90 is: 104,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,049.20 : 199,573.80 = 69,844.90 : x
  2. Step 2: Convert to fraction form
    133,049.20/199,573.80 = 69,844.90/x
  3. Step 3: Cross multiply
    133,049.20x = 199,573.80 × 69,844.90
  4. Step 4: Simplify right side
    133,049.20x = 13,939,212,103.62
  5. Step 5: Solve for x
    x = 13,939,212,103.62/133,049.20
  6. Step 6: Final answer
    x = 104,767.35

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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.