Home / 206,213.77-309,283.57-93,867.85

Finding the Fourth Proportional to 206,213.77, 309,283.57 and 93,867.85

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Solution

The fourth proportional to 206,213.77, 309,283.57 and 93,867.85 is: 140,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,213.77 : 309,283.57 = 93,867.85 : x
  2. Step 2: Convert to fraction form
    206,213.77/309,283.57 = 93,867.85/x
  3. Step 3: Cross multiply
    206,213.77x = 309,283.57 × 93,867.85
  4. Step 4: Simplify right side
    206,213.77x = 29,031,783,756.22
  5. Step 5: Solve for x
    x = 29,031,783,756.22/206,213.77
  6. Step 6: Final answer
    x = 140,784.89

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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.