Home / 149,839.08-206,775.14-82,769.64

Finding the Fourth Proportional to 149,839.08, 206,775.14 and 82,769.64

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Solution

The fourth proportional to 149,839.08, 206,775.14 and 82,769.64 is: 114,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,839.08 : 206,775.14 = 82,769.64 : x
  2. Step 2: Convert to fraction form
    149,839.08/206,775.14 = 82,769.64/x
  3. Step 3: Cross multiply
    149,839.08x = 206,775.14 × 82,769.64
  4. Step 4: Simplify right side
    149,839.08x = 17,114,703,898.75
  5. Step 5: Solve for x
    x = 17,114,703,898.75/149,839.08
  6. Step 6: Final answer
    x = 114,220.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.