Home / 149,992.19-206,989.59-82,013.55

Finding the Fourth Proportional to 149,992.19, 206,989.59 and 82,013.55

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Solution

The fourth proportional to 149,992.19, 206,989.59 and 82,013.55 is: 113,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,992.19 : 206,989.59 = 82,013.55 : x
  2. Step 2: Convert to fraction form
    149,992.19/206,989.59 = 82,013.55/x
  3. Step 3: Cross multiply
    149,992.19x = 206,989.59 × 82,013.55
  4. Step 4: Simplify right side
    149,992.19x = 16,975,951,088.94
  5. Step 5: Solve for x
    x = 16,975,951,088.94/149,992.19
  6. Step 6: Final answer
    x = 113,178.90

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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.