Home / 167,666.10-251,207.55-137,922.90

Finding the Fourth Proportional to 167,666.10, 251,207.55 and 137,922.90

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Solution

The fourth proportional to 167,666.10, 251,207.55 and 137,922.90 is: 206,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,666.10 : 251,207.55 = 137,922.90 : x
  2. Step 2: Convert to fraction form
    167,666.10/251,207.55 = 137,922.90/x
  3. Step 3: Cross multiply
    167,666.10x = 251,207.55 × 137,922.90
  4. Step 4: Simplify right side
    167,666.10x = 34,647,273,797.90
  5. Step 5: Solve for x
    x = 34,647,273,797.90/167,666.10
  6. Step 6: Final answer
    x = 206,644.48

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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.