Home / 170,843.06-256,118.74-120,765.62

Finding the Fourth Proportional to 170,843.06, 256,118.74 and 120,765.62

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Solution

The fourth proportional to 170,843.06, 256,118.74 and 120,765.62 is: 181,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,843.06 : 256,118.74 = 120,765.62 : x
  2. Step 2: Convert to fraction form
    170,843.06/256,118.74 = 120,765.62/x
  3. Step 3: Cross multiply
    170,843.06x = 256,118.74 × 120,765.62
  4. Step 4: Simplify right side
    170,843.06x = 30,930,338,429.72
  5. Step 5: Solve for x
    x = 30,930,338,429.72/170,843.06
  6. Step 6: Final answer
    x = 181,045.33

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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.