Home / 133,074.10-199,667.85-69,942.70

Finding the Fourth Proportional to 133,074.10, 199,667.85 and 69,942.70

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Solution

The fourth proportional to 133,074.10, 199,667.85 and 69,942.70 is: 104,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.10 : 199,667.85 = 69,942.70 : x
  2. Step 2: Convert to fraction form
    133,074.10/199,667.85 = 69,942.70/x
  3. Step 3: Cross multiply
    133,074.10x = 199,667.85 × 69,942.70
  4. Step 4: Simplify right side
    133,074.10x = 13,965,308,532.20
  5. Step 5: Solve for x
    x = 13,965,308,532.20/133,074.10
  6. Step 6: Final answer
    x = 104,943.85

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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.